Hello All,
I successfully I upgraded our version of OJS from 2.4.6 to 3.1.2.1 using the CLI
Now, we see a white screen when journal is accessed.
Error log
[22-Jun-2019 06:53:10 UTC] PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; ADODB_Cache_File has a deprecated constructor in /home/.../public_html/subdomains/myjournal/lib/pkp/lib/adodb/adodb.inc.php on line 263
[22-Jun-2019 06:53:10 UTC] PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; ADOConnection has a deprecated constructor in /home/.../public_html/subdomains/myjournal/lib/pkp/lib/adodb/adodb.inc.php on line 359
[22-Jun-2019 06:53:10 UTC] PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; ADORecordSet has a deprecated constructor in /home/.../public_html/subdomains/myjournal/lib/pkp/lib/adodb/adodb.inc.php on line 2921
[22-Jun-2019 06:53:10 UTC] PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; ADORecordSet_array has a deprecated constructor in /home/.../public_html/subdomains/myjournal/lib/pkp/lib/adodb/adodb.inc.php on line 3939
[22-Jun-2019 06:53:10 UTC] PHP Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 35
[22-Jun-2019 06:53:10 UTC] PHP Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 36
[22-Jun-2019 06:53:10 UTC] PHP Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 37
[22-Jun-2019 06:53:10 UTC] PHP Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 38
[22-Jun-2019 06:53:10 UTC] PHP Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 39
[22-Jun-2019 06:53:10 UTC] PHP Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 40
[22-Jun-2019 06:53:10 UTC] PHP Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 41
[22-Jun-2019 06:53:10 UTC] PHP Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 42
[22-Jun-2019 06:53:10 UTC] PHP Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 43
[22-Jun-2019 06:53:10 UTC] PHP Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 45
[22-Jun-2019 06:53:10 UTC] PHP Warning: session_set_save_handler(): Cannot change save handler when headers already sent in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 53
[22-Jun-2019 06:53:10 UTC] PHP Warning: session_start(): Cannot start session when headers already sent in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/session/SessionManager.inc.php on line 58
[22-Jun-2019 06:53:10 UTC] PHP Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/.../public_html/subdomains/myjournal/lib/pkp/lib/adodb/adodb.inc.php on line 1003
[22-Jun-2019 06:53:10 UTC] PHP Warning: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/.../public_html/subdomains/myjournal/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134
[22-Jun-2019 06:53:10 UTC] PHP Warning: Declaration of RegistrationHandler::validate($request) should be compatible with PKPHandler::validate($requiredContexts = NULL, $request = NULL) in /home/.../public_html/subdomains/myjournal/lib/pkp/pages/user/RegistrationHandler.inc.php on line 19
[22-Jun-2019 06:53:10 UTC] PHP Warning: Declaration of RegistrationForm::validate() should be compatible with Form::validate($callHooks = true) in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/user/form/RegistrationForm.inc.php on line 21
[22-Jun-2019 06:53:10 UTC] PHP Warning: Cannot modify header information - headers already sent by (output started at /home/.../public_html/subdomains/myjournal/lib/pkp/lib/adodb/adodb.inc.php:263) in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/template/PKPTemplateManager.inc.php on line 836
[22-Jun-2019 06:53:10 UTC] PHP Warning: Cannot modify header information - headers already sent by (output started at /home/.../public_html/subdomains/myjournal/lib/pkp/lib/adodb/adodb.inc.php:263) in /home/.../public_html/subdomains/myjournal/lib/pkp/classes/template/PKPTemplateManager.inc.php on line 837
[22-Jun-2019 06:53:10 UTC] PHP Fatal error: Uncaught Error: Call to undefined function mb_split() in /home/.../public_html/subdomains/myjournal/lib/pkp/lib/vendor/smarty/smarty/libs/plugins/shared.mb_str_replace.php:47
Stack trace:
#0 /home/.../public_html/subdomains/myjournal/lib/pkp/lib/vendor/smarty/smarty/libs/plugins/modifier.replace.php(34): smarty_mb_str_replace('_', '-', 'en_US')
#1 /home/.../public_html/subdomains/myjournal/cache/t_compile/ecc55761ebbb35f58f8f534694562dbd01538725^10ae5578a0959129b8d4ceeb9f99c1bb2a9cbd65_0.app.frontendcomponentsheader..php(33): smarty_modifier_replace('en_US', '_', '-')
#2 /home/.../public_html/subdomains/myjournal/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_5d0dce67c89f11_35196413(Object(Smarty_Internal_Template))
#3 /home/.../public_html/subdomains/myjournal/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode(Object(Smarty_Internal_ in /home/.../public_html/subdomains/myjournal/lib/pkp/lib/vendor/smarty/smarty/libs/plugins/shared.mb_str_replace.php on line 47
Server is running PHP 7.2
Any urgent help is much appreciated