ok mate,
what was the animation too do?
I may be able to help considering my Specialty iz animation.
im not sure what youare doing but when i copy frames i select my 1st frame and last of that sequence.making the same amout of frams so like 1 10 - 10 20 i past 1 on 10 but the 10 on 20 it copys that way too.
if this hasent helped just say i will try to help you more.
cya mate