The forum's automatic translation is not doing well. Could you try describing what you are looking for with more details? That way maybe we can figure out what you are asking for. (Unless someone comes along who speaks German, of course!)
My english is bad but i will try to describe:
I don't see in adobe after effects cc 2015 (version 13.7, mac OS) under "Preferences" - "General" no input field for "scale for revoke/undo". i think standard is 32 steps back but i wont 99 steps back. Here a picture with a red oval where the field to change the value should be:
Hope you understand what i mean. Thank you for answering back.