I have a site using 2.5.3 . I've moved this site to a new server and when logged onto the control panel, I get the following error on the front page of the site:

A PHP Error was encountered

Severity: Warning

Message: Parameter 3 to Playa_ext::channel_entries_tagdata() expected to be a reference, value given

Filename: libraries/Extensions.php

Line Number: 241

I've updated Playa to version 4.5.2 , but the errors are still there.

1 Answer 1


See this bug report thread - this error arises when you run 2.5.3 on certain PHP versions. Upgrading to at minimum 2.5.4 should fix this. From the release notes:

Fixed a bug (#18263) where PHP may claim an object wasn’t passed by reference to an extension hook.

  • Hi Derek, thanks for help. I've updated to 2.5.5 and that looks like it's done the trick. Thanks again.
    – Mark
    Apr 28, 2015 at 8:58

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