Replay Mod Forums

When I add time keyframe or position keyframe I have a progress bar on the middle of my screen.
http://prntscr.com/dn13cn
After that I can't do any more :(
When I give my file to a friend and him as not problem.
Help me!!!

This is linked to an Out Of Memory Error. Please increase the RAM in your Minecraft Launcher Profile. We're working on a fix.

Thank you very much :)