evcz Posted January 27 Share Posted January 27 (edited) Hi reporting this fatal error AH01071: Got error 'PHP message: [WHMCS Application] ERROR: Error: Attempt to assign property "clientsinvoicesorderby" on null in /var/www/vhosts/contoso.com/public_html/modules/addons/BillingExtension/core/BillingExtension_Admin/Hook.php:5731 Stack trace: #0 /var/www/vhosts/contoso.com/public_html/modules/addons/BillingExtension/core/BillingExtension_Admin/Hook.php(94): BillingExtension\\BillingExtension_Admin\\Hook->InvoiceRestrictions() #1 /var/www/vhosts/contoso.com/public_html/modules/addons/BillingExtension/hooks.php(236): BillingExtension\\BillingExtension_Admin\\Hook->ApplyLayers() #2 [internal function]: BillingExtension_AdminAreaHeaderOutput() #3 /var/www/vhosts/contoso.com/public_html/vendor/whmcs/whmcs-foundation/lib/Hook/Manager.php(0): call_user_func() #4 /var/www/vhosts/contoso.com/public_html/vendor/illuminate/support/Facades/Facade.php(261): WHMCS\\Hook\\Manager->run() #5 /var/www/vhosts/contoso.com/public_html/includes/functions.php(0): Illuminate\\Support\\Facades\\Facade::__callStatic() #6 /var/www/vhosts/contoso.com/public_html/vendor/whmcs...', referer: https://www.contoso.com/admin/index.php when trying to open /admin/invoices.php?status=Unpaid in a newly logged in whmcs session this is on php 8.1 when reverted to php7.4 it works fine thanks Edited January 27 by evcz Link to comment Share on other sites More sharing options...
barneby Posted May 12 Share Posted May 12 (edited) Hi, Yes I have the same problem. BX doesn't work with php 8.1 even though they promise it in the product description. You must use php 7.4. BX support is terrible and they haven't been able to fix the problem in years. Edited May 12 by barneby Link to comment Share on other sites More sharing options...
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