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Symptom

After updating to WHMCS 8.6.1, you may experience an Undefined Constant error when viewing the Monthly Orders report in PHP 8.1 environments:

Error: Undefined constant "tbladdons" in /path/to/whmcs/modules/reports/monthly_orders.php:81
 

Hotfix

We have created a hotfix for WHMCS 8.6.1 to resolve the error:

https://whmcs.community/files/file/183-module-7874-typeerror-in-processcreditcardpayments-task-with-stripe/

Workaround

Upgrade your hosting environment to PHP 7.4.

 

The End! should you have any inquiries, we encourage you to reach out to the Vercaa Support Center without hesitation.

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