Creo 7 - Arrowhead Disappears when adding datum to GTOL

[PD_10144284]

My left side arrowhead disappeared after I added datum C to that true position tolerance. How do I bring that arrowhead back?

[StephenW]

@PD_10144284 

Maybe, just maybe, if you select the dimension and then right mouse button and look for "show witness line"

It looks like the witness line is there so I don't thin this will work but that is what the arrow looks like when you erase one witness line.

[PD_10144284]

@StephenW, thanks for your reply!

"Show witness line" didn't work because it was never erased.

If I remove Datum C though, the left side arrowhead shows back up:

Any other ideas?