I have an item in Sitecore (10.0.1) that has 'Bucketable' and 'Lock Child Relationship' toggles set to True on their template's standard values:
Occasionally, we have a situation where certain items have been removed from their buckets. Upon inspection, the settings for Bucketable and Lock Child Relationship have been switched off and we have to go in and click 'reset field' and then sync the buckets. Our client does not know about these settings and would never be in those settings to change them.
I have checked the different versions of our items and the logs and cannot see why this would be happening. It is quite rare for it to happen but I would like to know why. Any suggestions much appreciated.