To be honest I would say that is Dat0. You just seemed to have dig straight in the middle of it so that’s why you see “two” traces. I would firstly, get a uv light if you haven’t already because you can actually use it to see traces under the solder mask covering them. Secondly, expose some more area around the dat0 point. You want to remove at and above the blue line. Once you do that pull out your uv light and start looking for the trace, once you find it expose the copper only along that trace (should be connected to the area highlighted orange somehow). Tin the trace and the purple circle. Connect the two with a jumper wire maybe 36awg+. The finer the better. I would recommend you put soldermask on all the areas you don’t need to touch to avoid unnecessary shorts. Doing all this without severing other traces. There is a trace right next to dat0 on the left then one a bit further away on the right.
