I’m on bbpress 1.1-r2537 and adding tags in topics displays this error:

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Warning: Invalid argument supplied for foreach() in [path]/bb-includes/backpress/class.wp-taxonomy.php on line 1789

Catchable fatal error: Object of class WP_Error could not be converted to string in [path]/bb-includes/functions.bb-formatting.php on line 241

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Please note I’ve substituted the actual file path with [path].

Sometimes only the 2nd error is displayed, sometimes both. I believe this problem was introduced in 1.1-r2530 because that revision changed class.wp-taxonomy.php.

The tags don’t update through AJAX, but after refreshing the page, the new tag does show.

[@ashfame Participant 14 years, 3 months ago]

Hmm… the same problem is on the forum theme’s too.