OJS 3.3.0.7.after migration An unexpected error has occurred. Please reload the page and try again

Description of issue or problem I’m having:
Error An unexpected error has occurred. Please reload the page and try again when i click on the submission

Steps I took leading up to the issue:
Transfering of ojs from one hosting to anotrher

What I tried to resolve the issue:

Application Version - e.g., OJS 3.1.2:
OJS 3.3.0.7.

Additional information, such as screenshots and error log messages if applicable:
Hello Team. Kindly assist to solve the problem i have been facing in the journal.
https://journals.daea.or.ke/

[18-Mar-2022 15:43:06 UTC] PHP Warning: mkdir(): Permission denied in /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/file/FileManager.inc.php on line 312
[18-Mar-2022 15:43:06 UTC] PHP Warning: assert(): assert(false) failed in /home/daeaorke/journals.daea.or.ke/plugins/generic/usageStats/UsageStatsPlugin.inc.php on line 761
[18-Mar-2022 15:44:42 UTC] Slim Application Error:
Type: League\Flysystem\Exception
Message: Impossible to create the root directory “/home/journalsdaeaor/ojsdata”. mkdir(): Permission denied
File: /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/league/flysystem/src/Adapter/Local.php
Line: 112
Trace: #0 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/league/flysystem/src/Adapter/Local.php(78): League\Flysystem\Adapter\Local->ensureDirectory(’/home/journalsd…’)
#1 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/services/PKPFileService.inc.php(46): League\Flysystem\Adapter\Local->__construct(’/home/journalsd…’, 2, 2, Array)
#2 /home/daeaorke/journals.daea.or.ke/classes/services/OJSServiceProvider.inc.php(51): PKP\Services\PKPFileService->__construct()
#3 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/pimple/pimple/src/Pimple/Container.php(118): APP\Services\OJSServiceProvider->APP\Services{closure}(Object(Pimple\Container))
#4 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/core/PKPServices.inc.php(69): Pimple\Container->offsetGet(‘file’)
#5 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/core/PKPServices.inc.php(50): PKPServices->_getFromContainer(‘file’)
#6 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/services/PKPSubmissionFileService.inc.php(147): PKPServices::get(‘file’)
#7 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/services/PKPSubmissionFileService.inc.php(224): PKP\Services\PKPSubmissionFileService->getProperties(Object(SubmissionFile), Array, Array)
#8 /home/daeaorke/journals.daea.or.ke/classes/services/GalleyService.inc.php(154): PKP\Services\PKPSubmissionFileService->getFullProperties(Object(SubmissionFile), Array)
#9 /home/daeaorke/journals.daea.or.ke/classes/services/GalleyService.inc.php(179): APP\Services\GalleyService->getProperties(Object(ArticleGalley), Array, Array)
#10 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/services/PKPPublicationService.inc.php(208): APP\Services\GalleyService->getSummaryProperties(Object(ArticleGalley), Array)
#11 [internal function]: PKP\Services\PKPPublicationService->PKP\Services{closure}(Object(ArticleGalley))
#12 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/services/PKPPublicationService.inc.php(210): array_map(Object(Closure), Array)
#13 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/services/PKPPublicationService.inc.php(235): PKP\Services\PKPPublicationService->getProperties(Object(Publication), Array, Array)
#14 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/services/PKPSubmissionService.inc.php(204): PKP\Services\PKPPublicationService->getSummaryProperties(Object(Publication), Array)
#15 [internal function]: PKP\Services\PKPSubmissionService->PKP\Services{closure}(Object(Publication))
#16 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/services/PKPSubmissionService.inc.php(208): array_map(Object(Closure), Array)
#17 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/services/PKPSubmissionService.inc.php(297): PKP\Services\PKPSubmissionService->getProperties(Object(Submission), Array, Array)
#18 /home/daeaorke/journals.daea.or.ke/lib/pkp/api/v1/_submissions/PKPBackendSubmissionsHandler.inc.php(160): PKP\Services\PKPSubmissionService->getBackendListProperties(Object(Submission), Array)
#19 [internal function]: PKPBackendSubmissionsHandler->getMany(Object(Slim\Http\Request), Object(APIResponse), Array)
#20 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(40): call_user_func(Array, Object(Slim\Http\Request), Object(APIResponse), Array)
#21 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/Route.php(281): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Http\Request), Object(APIResponse), Array)
#22 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke(Object(Slim\Http\Request), Object(APIResponse))
#23 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/Route.php(268): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(APIResponse))
#24 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/App.php(503): Slim\Route->run(Object(Slim\Http\Request), Object(APIResponse))
#25 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/security/authorization/internal/ApiAuthorizationMiddleware.inc.php(77): Slim\App->__invoke(Object(Slim\Http\Request), Object(APIResponse))
#26 [internal function]: ApiAuthorizationMiddleware->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Slim\App))
#27 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(ApiAuthorizationMiddleware), Array)
#28 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Slim\App))
#29 /home/daeaorke/journals.daea.or.ke/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))
#30 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/security/authorization/internal/ApiCsrfMiddleware.inc.php(46): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#31 [internal function]: ApiCsrfMiddleware->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#32 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(ApiCsrfMiddleware), Array)
#33 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#34 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#35 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/security/authorization/internal/ApiTokenDecodingMiddleware.inc.php(121): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#36 [internal function]: ApiTokenDecodingMiddleware->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#37 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(ApiTokenDecodingMiddleware), Array)
#38 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#39 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#40 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/handler/APIHandler.inc.php(68): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#41 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#42 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#43 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#44 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#45 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/handler/APIHandler.inc.php(127): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#46 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#47 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#48 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#49 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#50 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/handler/APIHandler.inc.php(132): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#51 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#52 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#53 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#54 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#55 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#56 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/App.php(392): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(APIResponse))
#57 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/handler/APIHandler.inc.php(124): Slim\App->process(Object(Slim\Http\Request), Object(APIResponse))
#58 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#59 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#60 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#61 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#62 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/handler/APIHandler.inc.php(132): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#63 [internal function]: APIHandler->{closure}(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#64 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array(Object(Closure), Array)
#65 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#66 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(APIResponse), Object(Closure))
#67 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(APIResponse))
#68 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/App.php(392): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(APIResponse))
#69 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/slim/slim/Slim/App.php(297): Slim\App->process(Object(Slim\Http\Request), Object(APIResponse))
#70 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/core/APIRouter.inc.php(115): Slim\App->run()
#71 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/core/Dispatcher.inc.php(144): APIRouter->route(Object(Request))
#72 /home/daeaorke/journals.daea.or.ke/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))
#73 /home/daeaorke/journals.daea.or.ke/index.php(68): PKPApplication->execute()
#74 {main}
View in rendered output by enabling the “displayErrorDetails” setting.

[18-Mar-2022 15:45:08 UTC] Slim Application Error:
Type: League\Flysystem\Exception
Message: Impossible to create the root directory “/home/journalsdaeaor/ojsdata”. mkdir(): Permission denied
File: /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/league/flysystem/src/Adapter/Local.php
Line: 112
Trace: #0 /home/daeaorke/journals.daea.or.ke/lib/pkp/lib/vendor/league/flysystem/src/Adapter/Local.php(78): League\Flysystem\Adapter\Local->ensureDirectory(’/home/journalsd…’)

erroir 1
error-2
ojs-eror

Did you update the file path (files_dir) after migration?

I think there is a problem with file path or folder permissions.

Because articles pdf files also give 404 error.

Thanks.

That was the exact problem.

It worked well after checking on *

the file path (files_dir) after migration