Logging into the repo via Datamaker is failing with error "Failed to validate version"
Ensure that the user which you are connecting to the repo with has the same permissions as the gtrep (dbo) user.
This error generally indicates that the user doesn't have acces to the pk_gtrep_lic schema and the pk_gtrep_lic.verify_version() function fails to return the expected data.
Permissions can be validated by running the following query from SQL Server native utilities (example: SQL Server Management Studio):
select pk_gtrep_lic.verify_version() from gtrep_system;