Table GTREP_PROJECT which holds the information of the project created from TDM portal and it's details like who created the project, when it was created, etc. are getting update as null values.
All Supported releases of TDM
Component : Repository (GTREP)
The information stored as NULL in the GTREP_PROJECT table is working by design because that information is categorized as Audit data and is disabled by default.
There is an option to enable auditing from Datamaker, but it is NOT recommended as it will impact the performance of the product overall, specifically TDM Portal.
To enable auditing: