Error Message truncated in MTM even with modified TFS

Hi fellow techyv users,

I don't know if you've experienced this yourselves but have you noticed that the "Error Message" is truncated in the MTM when it's longer than expected? I think the length of the "Error Message" in the MTM should depend in the backend database in the Team Foundation Server (TFS). 

To answer this, I modified the length of the column "Error Message" in the TFS backend database. Unfortunately, this didn't help at all. The problem still persisted. The "Error Message" is still truncated in the MTM when it's very long. 

Do you, guys, know why? I'd really appreciate any input. Thanks a lot!