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Whoops\Exception\ErrorException: Cannot redeclare initialiseloggedinclient() in unknown:0
Stack trace:
#0 /home/keliwebi/public_html/billing/vendor/whmcs/whmcs-foundation/lib/Utility/Error/Run.php(0): WHMCS\Utility\Error\Run->handleError(1, 'Cannot redeclar...', 'unknown', 0)
#1 [internal function]: WHMCS\Utility\Error\Run->handleShutdown()
#2 {main}