Hi all, new to whmcs so hoping I can find a resolution for the below error which comes up when my client is viewing their invoice or when trying to pay the invoice.
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Whoops\Exception\ErrorException: Cannot redeclare getadminpermsarray() in :0
#0 /home/myusername/mywebsite.co.uk/vendor/whmcs/whmcs-foundation/lib/Utility/Error/Run.php(0): WHMCS\Utility\Error\Run->handleError(1, 'Cannot redeclar...', '', 0)
#1 [internal function]: WHMCS\Utility\Error\Run->handleShutdown()