So that means that my rarely seeing that error is because I am rarely exploring the affected ancient thread pages, rather than it rarely happening anew. OK, thank you! (Of course, for me all PHP errors look the same and I won't be able to tell the difference between them.)mimzy wrote: Tue Mar 18, 2025 2:48 amI found 68 other posts with the same issue and all of those were by starfish21 and edited by user #10494, so I fixed the problem by just changing the editing user ID of those posts to starfish21.