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I'm a civicrm user, and I have problrm with contribution page after upgrade to 4.7.29, My civicrm installed on Joomla 3.8.3, this error show when I open the contribution form from frontsite.

the error message is : Warning: require_once(CRM/Core/.php): failed to open stream: No such file or directory in /home/ablecomm/public_html/administrator/components/com_civicrm/civicrm/Civi/Payment/System.php on line 59

I have been trying to fix this but no have idea where is the problem.

is Anybody can help me? thankyou

marked as duplicate by Aidan, RayWright, William Mortada, Jon G - Megaphone Tech, choster Jan 22 '18 at 7:21

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.


This is a known bug and is documented and fixed at CRM-21595. You will need to apply the patch to fix the problem or will need to wait for 4.7.30 release.

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