Error in submission

Hello I just installed the OJS 3.3.0.5 and I can’t upload any article
It only says SLIM APPLICATION ERROR and that’s it
Any help?

This is a screenshot of the message every time i want to upload
Screen Shot 2021-04-17 at 13.23.57

[17-Apr-2021 17:20:05 UTC] Slim Application Error:
Type: Error
Message: Class ‘finfo’ not found
File: /home/salomonv/public_html/lib/pkp/lib/vendor/league/flysystem/src/Adapter/Local.php
Line: 322
Trace: #0 /home/salomonv/public_html/lib/pkp/lib/vendor/league/flysystem/src/Filesystem.php(285): League\Flysystem\Adapter\Local->getMimetype(‘journals/1/arti…’)
#1 /home/salomonv/public_html/lib/pkp/classes/services/PKPFileService.inc.php(90): League\Flysystem\Filesystem->getMimetype(‘journals/1/arti…’)
#2 /home/salomonv/public_html/lib/pkp/api/v1/submissions/PKPSubmissionFileHandler.inc.php(264): PKP\Services\PKPFileService->add(’/tmp/phpu5mjPs’, ‘journals/1/arti…’)
#3 [internal function]: PKPSubmissionFileHandler->add(Object(Slim\Http\Request), Object(APIResponse), Array)
#4 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(40): call_user_func(Array, Object(Slim\Http\Request), Object(APIResponse), Array)
#5 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/Route.php(281): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Http\Request), Object(APIResponse), Array)
#6 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke(Object(Slim\Http\Request), Object(APIResponse))
#7 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/Route.php(268): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(APIResponse))
#8 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/App.php(503): Slim\Route->run(Object(Slim\Http\Request), Object(APIResponse))
#9 /home/salomonv/public_html/lib/pkp/classes/security/authorization/internal/ApiAuthorizationMiddleware.inc.php(77): Slim\App->__invoke(Object(Slim\Http\Request), Object(APIResponse))
#10 [internal function]: ApiAuthorizationMiddleware->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Slim\App))
#11 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(ApiAuthorizationMiddleware), Array)
#12 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Slim\App))
#13 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Slim\App))
#14 /home/salomonv/public_html/lib/pkp/classes/security/authorization/internal/ApiCsrfMiddleware.inc.php(46): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#15 [internal function]: ApiCsrfMiddleware->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#16 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(ApiCsrfMiddleware), Array)
#17 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#18 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#19 /home/salomonv/public_html/lib/pkp/classes/security/authorization/internal/ApiTokenDecodingMiddleware.inc.php(121): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#20 [internal function]: ApiTokenDecodingMiddleware->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#21 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(ApiTokenDecodingMiddleware), Array)
#22 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#23 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#24 /home/salomonv/public_html/lib/pkp/classes/handler/APIHandler.inc.php(68): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#25 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#26 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#27 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#28 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#29 /home/salomonv/public_html/lib/pkp/classes/handler/APIHandler.inc.php(127): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#30 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#31 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#32 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#33 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#34 /home/salomonv/public_html/lib/pkp/classes/handler/APIHandler.inc.php(132): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#35 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#36 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#37 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#38 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#39 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#40 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/App.php(392): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(APIResponse))
#41 /home/salomonv/public_html/lib/pkp/classes/handler/APIHandler.inc.php(124): Slim\App->process(Object(Slim\Http\Request), Object(APIResponse))
#42 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#43 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#44 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#45 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#46 /home/salomonv/public_html/lib/pkp/classes/handler/APIHandler.inc.php(132): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#47 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#48 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#49 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#50 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#51 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#52 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/App.php(392): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(APIResponse))
#53 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/App.php(297): Slim\App->process(Object(Slim\Http\Request), Object(APIResponse))
#54 /home/salomonv/public_html/lib/pkp/classes/core/APIRouter.inc.php(115): Slim\App->run()
#55 /home/salomonv/public_html/lib/pkp/classes/core/Dispatcher.inc.php(144): APIRouter->route(Object(Request))
#56 /home/salomonv/public_html/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))
#57 /home/salomonv/public_html/index.php(68): PKPApplication->execute()
#58 {main}
View in rendered output by enabling the “displayErrorDetails” setting.

[17-Apr-2021 17:20:06 UTC] Slim Application Error:
Type: Error
Message: Class ‘finfo’ not found
File: /home/salomonv/public_html/lib/pkp/lib/vendor/league/flysystem/src/Adapter/Local.php
Line: 322
Trace: #0 /home/salomonv/public_html/lib/pkp/lib/vendor/league/flysystem/src/Filesystem.php(285): League\Flysystem\Adapter\Local->getMimetype(‘journals/1/arti…’)
#1 /home/salomonv/public_html/lib/pkp/classes/services/PKPFileService.inc.php(90): League\Flysystem\Filesystem->getMimetype(‘journals/1/arti…’)
#2 /home/salomonv/public_html/lib/pkp/api/v1/submissions/PKPSubmissionFileHandler.inc.php(264): PKP\Services\PKPFileService->add(’/tmp/phpi9IRXD’, ‘journals/1/arti…’)
#3 [internal function]: PKPSubmissionFileHandler->add(Object(Slim\Http\Request), Object(APIResponse), Array)
#4 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(40): call_user_func(Array, Object(Slim\Http\Request), Object(APIResponse), Array)
#5 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/Route.php(281): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Http\Request), Object(APIResponse), Array)
#6 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke(Object(Slim\Http\Request), Object(APIResponse))
#7 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/Route.php(268): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(APIResponse))
#8 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/App.php(503): Slim\Route->run(Object(Slim\Http\Request), Object(APIResponse))
#9 /home/salomonv/public_html/lib/pkp/classes/security/authorization/internal/ApiAuthorizationMiddleware.inc.php(77): Slim\App->__invoke(Object(Slim\Http\Request), Object(APIResponse))
#10 [internal function]: ApiAuthorizationMiddleware->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Slim\App))
#11 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(ApiAuthorizationMiddleware), Array)
#12 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Slim\App))
#13 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Slim\App))
#14 /home/salomonv/public_html/lib/pkp/classes/security/authorization/internal/ApiCsrfMiddleware.inc.php(46): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#15 [internal function]: ApiCsrfMiddleware->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#16 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(ApiCsrfMiddleware), Array)
#17 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#18 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#19 /home/salomonv/public_html/lib/pkp/classes/security/authorization/internal/ApiTokenDecodingMiddleware.inc.php(121): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#20 [internal function]: ApiTokenDecodingMiddleware->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#21 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(ApiTokenDecodingMiddleware), Array)
#22 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#23 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#24 /home/salomonv/public_html/lib/pkp/classes/handler/APIHandler.inc.php(68): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#25 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#26 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#27 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#28 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#29 /home/salomonv/public_html/lib/pkp/classes/handler/APIHandler.inc.php(127): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#30 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#31 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#32 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#33 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#34 /home/salomonv/public_html/lib/pkp/classes/handler/APIHandler.inc.php(132): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#35 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#36 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#37 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#38 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#39 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#40 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/App.php(392): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(APIResponse))
#41 /home/salomonv/public_html/lib/pkp/classes/handler/APIHandler.inc.php(124): Slim\App->process(Object(Slim\Http\Request), Object(APIResponse))
#42 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#43 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#44 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#45 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#46 /home/salomonv/public_html/lib/pkp/classes/handler/APIHandler.inc.php(132): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#47 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#48 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#49 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#50 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#51 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#52 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/App.php(392): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(APIResponse))
#53 /home/salomonv/public_html/lib/pkp/lib/vendor/slim/slim/Slim/App.php(297): Slim\App->process(Object(Slim\Http\Request), Object(APIResponse))
#54 /home/salomonv/public_html/lib/pkp/classes/core/APIRouter.inc.php(115): Slim\App->run()
#55 /home/salomonv/public_html/lib/pkp/classes/core/Dispatcher.inc.php(144): APIRouter->route(Object(Request))
#56 /home/salomonv/public_html/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))
#57 /home/salomonv/public_html/index.php(68): PKPApplication->execute()
#58 {main}
View in rendered output by enabling the “displayErrorDetails” setting.

Hi @Angie_Jimenez,

Your PHP environment is missing the fileinfo module.

Regards,
Alec Smecher
Public Knowledge Project Team

How can I solve that? Please help me