this isn't really an issue, just a quick PSA. I have the latest wordpress and civicrm 5.66.1. When trying to access civievent live/test registration page, I kept getting an error 500. However, I changed my website to php8.0 and everything seems to be working. It was php8.1 before. Again, just a heads up for anyone running into this issue.

  • It would be helpful to know what the error message was exactly. It should be in your log file.
    – Coleman
    Commented Oct 31, 2023 at 0:27

1 Answer 1


The 55.6.x version has a bug in pear, see at the post of mine Illegal argument error

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