Ojs-3.1.1-4 blank page

please my website was working fine but now it showing blank page with no error can someone please help me on what to do?

Hi @wisdom

If you’re seeing a blank page, chances are there is a “fatal error” in your Apache error log. Have a look there and report back.

Cheers,
Jason

okay let me do that. thank you very much

[17-Jul-2019 05:35:25 America/New_York] PHP Strict Standards: Declaration of PKPUsageEventPlugin::getEnabled() should be compatible with LazyLoadPlugin::getEnabled($contextId = NULL) in /home/ijfmenby/public_html/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 0
[17-Jul-2019 05:35:26 America/New_York] PHP Strict Standards: Declaration of PKPUsageEventPlugin::getEnabled() should be compatible with LazyLoadPlugin::getEnabled($contextId = NULL) in /home/ijfmenby/public_html/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 0
[17-Jul-2019 05:35:26 America/New_York] PHP Strict Standards: Declaration of AllowedUploadsPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/allowedUploads/AllowedUploadsPlugin.inc.php on line 0
[17-Jul-2019 05:35:26 America/New_York] PHP Strict Standards: Declaration of PiwikPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/piwik/PiwikPlugin.inc.php on line 0
[17-Jul-2019 05:35:26 America/New_York] PHP Strict Standards: Declaration of PiwikPlugin::getTemplatePath() should be compatible with Plugin::getTemplatePath($inCore = false) in /home/ijfmenby/public_html/plugins/generic/piwik/PiwikPlugin.inc.php on line 0
[17-Jul-2019 05:35:26 America/New_York] PHP Strict Standards: Declaration of AddThisPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/addThis/AddThisPlugin.inc.php on line 0
[17-Jul-2019 05:35:26 America/New_York] PHP Strict Standards: Declaration of CustomHeaderPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/customHeader/CustomHeaderPlugin.inc.php on line 0
[17-Jul-2019 05:35:26 America/New_York] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/ijfmenby/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 0
[17-Jul-2019 05:35:26 America/New_York] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/ijfmenby/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 0
[17-Jul-2019 05:35:26 America/New_York] PHP Strict Standards: Only variables should be assigned by reference in /home/ijfmenby/public_html/pages/index/IndexHandler.inc.php on line 68
[17-Jul-2019 05:35:26 America/New_York] PHP Deprecated: Non-static method Config::getContextBaseUrls() should not be called statically, assuming $this from incompatible context in /home/ijfmenby/public_html/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 199
[17-Jul-2019 05:35:26 America/New_York] PHP Parse error: syntax error, unexpected ‘:’, expecting ‘;’ or ‘{’ in /home/ijfmenby/public_html/plugins/themes/oldGregg/jatsParser/src/JATSParser/Body/Document.inc.php on line 36
[17-Jul-2019 05:38:22 America/New_York] PHP Strict Standards: Declaration of PKPUsageEventPlugin::getEnabled() should be compatible with LazyLoadPlugin::getEnabled($contextId = NULL) in /home/ijfmenby/public_html/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 0
[17-Jul-2019 05:38:22 America/New_York] PHP Strict Standards: Declaration of AllowedUploadsPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/allowedUploads/AllowedUploadsPlugin.inc.php on line 0
[17-Jul-2019 05:38:22 America/New_York] PHP Strict Standards: Declaration of PiwikPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/piwik/PiwikPlugin.inc.php on line 0
[17-Jul-2019 05:38:22 America/New_York] PHP Strict Standards: Declaration of PiwikPlugin::getTemplatePath() should be compatible with Plugin::getTemplatePath($inCore = false) in /home/ijfmenby/public_html/plugins/generic/piwik/PiwikPlugin.inc.php on line 0
[17-Jul-2019 05:38:22 America/New_York] PHP Strict Standards: Declaration of AddThisPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/addThis/AddThisPlugin.inc.php on line 0
[17-Jul-2019 05:38:22 America/New_York] PHP Strict Standards: Declaration of CustomHeaderPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/customHeader/CustomHeaderPlugin.inc.php on line 0
[17-Jul-2019 05:38:22 America/New_York] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/ijfmenby/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 0
[17-Jul-2019 05:38:22 America/New_York] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/ijfmenby/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 0
[17-Jul-2019 05:38:22 America/New_York] PHP Strict Standards: Only variables should be assigned by reference in /home/ijfmenby/public_html/pages/index/IndexHandler.inc.php on line 68
[17-Jul-2019 05:38:22 America/New_York] PHP Deprecated: Non-static method Config::getContextBaseUrls() should not be called statically, assuming $this from incompatible context in /home/ijfmenby/public_html/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 199
[17-Jul-2019 05:38:22 America/New_York] PHP Parse error: syntax error, unexpected ‘:’, expecting ‘;’ or ‘{’ in /home/ijfmenby/public_html/plugins/themes/oldGregg/jatsParser/src/JATSParser/Body/Document.inc.php on line 36
[17-Jul-2019 05:38:39 America/New_York] PHP Strict Standards: Declaration of PKPUsageEventPlugin::getEnabled() should be compatible with LazyLoadPlugin::getEnabled($contextId = NULL) in /home/ijfmenby/public_html/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 0
[17-Jul-2019 05:38:39 America/New_York] PHP Strict Standards: Declaration of AllowedUploadsPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/allowedUploads/AllowedUploadsPlugin.inc.php on line 0
[17-Jul-2019 05:38:39 America/New_York] PHP Strict Standards: Declaration of PiwikPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/piwik/PiwikPlugin.inc.php on line 0
[17-Jul-2019 05:38:39 America/New_York] PHP Strict Standards: Declaration of PiwikPlugin::getTemplatePath() should be compatible with Plugin::getTemplatePath($inCore = false) in /home/ijfmenby/public_html/plugins/generic/piwik/PiwikPlugin.inc.php on line 0
[17-Jul-2019 05:38:39 America/New_York] PHP Strict Standards: Declaration of AddThisPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/addThis/AddThisPlugin.inc.php on line 0
[17-Jul-2019 05:38:39 America/New_York] PHP Strict Standards: Declaration of CustomHeaderPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/customHeader/CustomHeaderPlugin.inc.php on line 0
[17-Jul-2019 05:38:39 America/New_York] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/ijfmenby/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 0
[17-Jul-2019 05:38:39 America/New_York] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/ijfmenby/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 0
[17-Jul-2019 05:38:39 America/New_York] PHP Strict Standards: Only variables should be assigned by reference in /home/ijfmenby/public_html/pages/index/IndexHandler.inc.php on line 68
[17-Jul-2019 05:38:39 America/New_York] PHP Deprecated: Non-static method Config::getContextBaseUrls() should not be called statically, assuming $this from incompatible context in /home/ijfmenby/public_html/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 199
[17-Jul-2019 05:38:39 America/New_York] PHP Parse error: syntax error, unexpected ‘:’, expecting ‘;’ or ‘{’ in /home/ijfmenby/public_html/plugins/themes/oldGregg/jatsParser/src/JATSParser/Body/Document.inc.php on line 40
[17-Jul-2019 05:39:21 America/New_York] PHP Strict Standards: Declaration of PKPUsageEventPlugin::getEnabled() should be compatible with LazyLoadPlugin::getEnabled($contextId = NULL) in /home/ijfmenby/public_html/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 0
[17-Jul-2019 05:39:21 America/New_York] PHP Strict Standards: Declaration of AllowedUploadsPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/allowedUploads/AllowedUploadsPlugin.inc.php on line 0
[17-Jul-2019 05:39:21 America/New_York] PHP Strict Standards: Declaration of PiwikPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /home/ijfmenby/public_html/plugins/generic/piwik/PiwikPlugin.inc.php on line 0

this what i got from the error_log but still don’t see anything on line 0

The critical error is here:

What version of PHP are you running? It was possible to run 3.1.1-4 with PHP 5.6, but the JATSParser in the oldGregg theme requires PHP 7.2.