ROR plugin having issues to recognise the institute, I tried to update the Plugin, in the plugin gallery the latest version available is V3.3.0.53. When I click on the upgrade, my ojs is not moving forward even after hours. Here is the error log for this, can anyone help with this please. OJS version (3.3.0.15)
When suggest solutions, please consider I am a non technical person with biology background
Error log
[22-Mar-2026 22:07:05 UTC] PHP Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /home2/tsfjb/public_html/ojs/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/StyleSheet.php on line 52
[22-Mar-2026 22:07:05 UTC] PHP Deprecated: Creation of dynamic property Seboettg\CiteProc\Root\Info::$title-short is deprecated in /home2/tsfjb/public_html/ojs/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Root/Info.php on line 62
[22-Mar-2026 22:07:05 UTC] PHP Deprecated: Creation of dynamic property Seboettg\CiteProc\Root\Info::$category is deprecated in /home2/tsfjb/public_html/ojs/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Root/Info.php on line 62
[22-Mar-2026 22:07:05 UTC] PHP Deprecated: Creation of dynamic property Seboettg\CiteProc\Root\Info::$updated is deprecated in /home2/tsfjb/public_html/ojs/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Root/Info.php on line 62
[22-Mar-2026 22:07:05 UTC] PHP Deprecated: Creation of dynamic property Seboettg\CiteProc\Root\Info::$rights is deprecated in /home2/tsfjb/public_html/ojs/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Root/Info.php on line 62
[22-Mar-2026 22:07:05 UTC] PHP Deprecated: json_decode(): Passing null to parameter #1 ($json) of type string is deprecated in /home2/tsfjb/public_html/ojs/plugins/generic/citations/CitationsPlugin.inc.php on line 49
[22-Mar-2026 22:12:53 UTC] ojs2: 404 Not Found
[22-Mar-2026 22:18:20 UTC] PHP Warning: Cannot modify header information - headers already sent by (output started at /home2/tsfjb/public_html/ojs/plugins/blocks/keywordCloud/KeywordCloudBlockPlugin.inc.php:1) in /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPRouter.inc.php on line 414
[22-Mar-2026 22:21:52 UTC] PHP Warning: Cannot modify header information - headers already sent by (output started at /home2/tsfjb/public_html/ojs/plugins/blocks/keywordCloud/KeywordCloudBlockPlugin.inc.php:1) in /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPRouter.inc.php on line 414
[22-Mar-2026 22:22:20 UTC] PHP Fatal error: Uncaught Error: Call to undefined function exec() in /home2/tsfjb/public_html/ojs/lib/pkp/classes/plugins/PluginHelper.inc.php:62
Stack trace:
#0 /home2/tsfjb/public_html/ojs/lib/pkp/controllers/grid/plugins/PluginGalleryGridHandler.inc.php(280): PluginHelper->extractPlugin('/tmp/plugintTKk...', 'ror-3.3.0.53')
#1 /home2/tsfjb/public_html/ojs/lib/pkp/controllers/grid/plugins/PluginGalleryGridHandler.inc.php(238): PluginGalleryGridHandler->installPlugin(Array, Object(Request), true)
#2 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPRouter.inc.php(397): PluginGalleryGridHandler->upgradePlugin(Array, Object(Request))
#3 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPComponentRouter.inc.php(257): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array)
#4 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPComponentRouter->route(Object(Request))
#5 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))
#6 /home2/tsfjb/public_html/ojs/index.php(68): PKPApplication->execute()
#7 {main}
thrown in /home2/tsfjb/public_html/ojs/lib/pkp/classes/plugins/PluginHelper.inc.php on line 62
[22-Mar-2026 22:22:23 UTC] PHP Fatal error: Uncaught Error: Call to undefined function exec() in /home2/tsfjb/public_html/ojs/lib/pkp/classes/plugins/PluginHelper.inc.php:62
Stack trace:
#0 /home2/tsfjb/public_html/ojs/lib/pkp/controllers/grid/plugins/PluginGalleryGridHandler.inc.php(280): PluginHelper->extractPlugin('/tmp/pluginrNgx...', 'ror-3.3.0.53')
#1 /home2/tsfjb/public_html/ojs/lib/pkp/controllers/grid/plugins/PluginGalleryGridHandler.inc.php(238): PluginGalleryGridHandler->installPlugin(Array, Object(Request), true)
#2 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPRouter.inc.php(397): PluginGalleryGridHandler->upgradePlugin(Array, Object(Request))
#3 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPComponentRouter.inc.php(257): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array)
#4 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPComponentRouter->route(Object(Request))
#5 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))
#6 /home2/tsfjb/public_html/ojs/index.php(68): PKPApplication->execute()
#7 {main}
thrown in /home2/tsfjb/public_html/ojs/lib/pkp/classes/plugins/PluginHelper.inc.php on line 62
[22-Mar-2026 22:24:28 UTC] PHP Fatal error: Uncaught Error: Call to undefined function exec() in /home2/tsfjb/public_html/ojs/lib/pkp/classes/plugins/PluginHelper.inc.php:62
Stack trace:
#0 /home2/tsfjb/public_html/ojs/lib/pkp/controllers/grid/plugins/PluginGalleryGridHandler.inc.php(280): PluginHelper->extractPlugin('/tmp/pluginNm3G...', 'ror-3.3.0.53')
#1 /home2/tsfjb/public_html/ojs/lib/pkp/controllers/grid/plugins/PluginGalleryGridHandler.inc.php(238): PluginGalleryGridHandler->installPlugin(Array, Object(Request), true)
#2 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPRouter.inc.php(397): PluginGalleryGridHandler->upgradePlugin(Array, Object(Request))
#3 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPComponentRouter.inc.php(257): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array)
#4 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPComponentRouter->route(Object(Request))
#5 /home2/tsfjb/public_html/ojs/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))
#6 /home2/tsfjb/public_html/ojs/index.php(68): PKPApplication->execute()
#7 {main}
thrown in /home2/tsfjb/public_html/ojs/lib/pkp/classes/plugins/PluginHelper.inc.php on line 62
[22-Mar-2026 22:24:52 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home2/tsfjb/public_html/ojs/lib/pkp/classes/citation/Citation.inc.php on line 99