Error on Thank you page

[kpatel]

Hi,

I am getting following message on Thank you page. (Will provide domain on PM). I am on Version 1.5.1

https://www.XXXXXX.com/thankyou/?tmpo=&fail=no&message=20001&h=BUY-FGYCUA06DU78

 

[Victoria Kudryashova]

Hi,

I am getting following message on Thank you page. (Will provide domain on PM). I am on Version 1.5.1

https://www.XXXXXX.com/thankyou/?tmpo=&fail=no&message=20001&h=BUY-FGYCUA06DU78

Please send details in PM, it's not obvious now what is your issue about.