While open a profile set and drag and drop a filter in the graphical modeler, throwing Error after saving it created partially sent red TG_MSG Bdocs. It is happening only on the first save of the profile set.
The reason that save TG is getting saved again for an unchanged TG is that Buffer is not getting filled correctly. TG has not been changed that's why as a result, middleware rejects the Bdocs. This Bdocs is getting created for the first TG in the profile set as buffer is not getting filled for this first TG.