i am using Payeer WHMCS module. I did some updates in my WHMCS and not long time after that my client told me he have problem paying via payeer. he mentions this error:

Incorrect signature. You can see the correct signature in the merchant settings on the tab "Testing".


You've formed the signature incorrectly, valid signature can be found in the store settings in the "Testing" tab.


try downloading new version of the Payeer WHMCS module from Payeer account / Dashboard / Merchant settings / Settings / Website connection ?