Unable to rename analogs in output stream

Hi,
when I try to rename analogs in output stream an error occurs (I’m trying to rename default value of Label with P1-PMU1) . Here is a screenshot that might help:

Thanks,
Ali

Can you please report which type of database configuration you are using? For example, SQLite, SQL Server, etc.?

Thanks,
Ritchie

The database that I’m using is SQLite.
Thanks,
Ali