Migration interrupted

Good day!!
Please help.
Good morning.
We begin migration for security of a new server with Centos 6.8 and 8.6 Zimbra GA.
The process was fine but we were importing no space in / opt the new server.
We cancel the operation and configure another volume / opt twice the capacity and copy all the old opt. Now with more disk space, when importing tells us that it was queued in a few seconds and then said that the import process
failure.
We have removed the empty accounts that migration created to see if restored, but the error persists. Version 2.2.5 Migration is at the origin and destination version is 2.2.5 Zextras suite. Zimbra versions are the same 8.6GA (origin and destination)
Thank you for your help and ideas.