Thank you Axel,
I know the 4.2 version include the patch but in in this case I can not upgrade the environement. An upgrade task must be studied tested and takes a lot of time.
I found a workaround applying a small set of permissions for transaction at a time, but it's just a workaround.
In order to backport the codebase I need to know where to watch in the code but the Alfresco's team keep all those informations private.
I still don't know where exactly the limit is , I thought was of 1024 rows of acl for transaction but I really don't think this is the real limit.
This is a very bad issue that can cause problems very hard to investigate and I think the nature of the issue must not keeped private. I just mean the explanation of the problem, not the patch! The patch is right that can only be available for Enterprise users.
Thank you again.
Regards
Daniele