gm mess up from factory ???

[niterider65]

I Dont know if this was a factory mess up or just p o messed it up .
the rocker is fine but where the rocker mets the cab corner the seal looks
like it was not fitted right .there was factory greenpaint on the seam sealer on the under side covering up a part of the seam the shoud have been tucked it if you call it that ..
Any way what should be the best way to fix this Help !! lol