How to fix 'The transaction log for the database is full due to ACTIVE_TRANSACTION'

This could happen for several reasons, including long-running transactions, insufficient log space, or misconfigured database settings.

Right click on your database, then select Properties.

Next, Select Options, then change the Recovery mode from 'Simple' to 'Full'

Finally, Right click on your database, then select Tasks =>Shink =>Database

Do the same way Tasks =>Shink =>File

And don't forget to check your disk make sure it not full