Yes, just to see if that solves the problem.
Cached data is like a build up of data: temporary files or images for example, that are no longer necessary.
You know how sometimes when you download a file online, and you get an error? And then you have to clear cached data from your browser history to fix it? For some reason, that can happen sometimes in minecraft as well.
So if it is a cached data issue, the fix is to give it a unique identifier to distinguish it from all the other times you've run the same texture in minecraft. The past times you ran the texture = cached