Genestoy Posted September 19, 2022 Share Posted September 19, 2022 I just upgraded my live forum from 4.5 to 4.7.2.1 and all went well during the upgrade, then I enabled and updated all Marketplace Apps & Plugins and all went well. This was all done with PHP 7.4 and MariaDB 10.3.35-MariaDB-cll-lve Then I switched to PHP 8 and forum went blank white page Switched back to PHP 7.4 and disabled all Apps (2) and plugins and modified default theme switched to IPS default theme Switched to PHP 8 and same thing all blank website What next to go to PHP 8? Thanks Link to comment Share on other sites More sharing options...
Jim M Posted September 19, 2022 Share Posted September 19, 2022 Check to ensure your PHP 8 has all required extensions/modules: https://invisioncommunity.com/files/file/7046-invision-community-requirements-checker/ Check to ensure your third party applications/plugins are compatible with PHP 8. All else fails, check the server error log entries and see what is happening to cause a suppressed PHP error. Link to comment Share on other sites More sharing options...
Genestoy Posted September 19, 2022 Author Share Posted September 19, 2022 (edited) Did the IPS4 checker before but here it is again Some plugins are "custom" and have not been updated for a while, but if they are disabled would they still cause the problem? Edited September 19, 2022 by Genestoy Link to comment Share on other sites More sharing options...
Marc Stridgen Posted September 19, 2022 Share Posted September 19, 2022 You are running the checker while you are using PHP 7.4 there. You need to run the checker after you have switched to php 8. With regards the custom items, while they shouldnt, the only people who can answer that fully are the authors Link to comment Share on other sites More sharing options...
Genestoy Posted September 19, 2022 Author Share Posted September 19, 2022 OK - here is the one with PHP 8 enabled, where and how do I fix this? Thanks Link to comment Share on other sites More sharing options...
Solution Jim M Posted September 19, 2022 Solution Share Posted September 19, 2022 As mentioned in the error there, please contact your hosting provider or server administrator as mentioned to install MySQLi PHP extension. Link to comment Share on other sites More sharing options...
Genestoy Posted September 19, 2022 Author Share Posted September 19, 2022 Thanks a bunch Jim, I added the missing modules to PHP 8 in cPanel and found the culprit was the "Online Indicator" old plugin and all seems well now! Link to comment Share on other sites More sharing options...
Jim M Posted September 19, 2022 Share Posted September 19, 2022 Glad to hear you have things running now. Marc Stridgen 1 Link to comment Share on other sites More sharing options...
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