This topic has 2 replies, 2 voices, and was last updated 7 years, 1 months ago ago by Olga Barlow
Hello. I have an issue with the products giving a warning that says:
Warning: call_user_func_array() expects parameter 1 to be a valid callback
Can you tell me what could be the issue?
Hello,
1) Make sure that all the plugins that you use are up to date.
2) Try to disable third-party plugins and check if it helps. Let me know which one caused the issue.
3) If you disabled all the third-party plugins but Warning still persists reply back and provide admin panel and FTP access.
Regards
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