I found the “original” issue that is still open: https://report.bugs.mojang.com/servicedesk/customer/portal/6/MCPE-189996
Still a problem in 1.21.100
At least link to the duplicate issue if that’s why this is closed. I’m having the same issue and I can’t find the “original” issue this was closed for.
In server properties is force-gamemode set to true?
Same here. No problems until updating to 1.21.90.4.
[2025-06-24 09:33:14:334 ERROR] [Structure] WORLDNAME | -> minecraft:jigsaw_structure_metadata -> metadata[0] -> markers[0] -> joint_type: This value is bound to 'Jigsaw Joint Type' and expects one of the following strings: 'rollable', 'aligned'. Found: ''
If trying to spawn on to pressure plate (or any other transperent block), move y up by one to fix
Still active on 1.21.101