Hmmh. Seems that this could be the cause. Ima Import it form another animation as a frame and see what happens.
#Edit, issue solved. I was able to fix the issue by altering the heights of frames 0 and 1, their contrast fixes it.
Frame 0 https://puu.sh/x35QH/9d56dd68e6.jpg
Frame 1 https://puu.sh/x35Qg/5d4d2c1ce9.jpg
In Openbrf https://puu.sh/x35S5/51c0526094.jpg
Tested this with other animation aswell, seems to work.