[HELP] garys_luv_ramp.col mapmanager problem

[T0wer]

when i check in errors list to trying fix [ i cant play in any arena ] i found  some error in some resources But it is not important But there was an important resource and it had a problem, which is mapmanager, and the problem I faced with it is that this resource requires an object with id 1894, but I searched to download it and did not find a direct link to download it

To make it more clear, here is a picture /
 

and this is my discord to contact me  / T0wer.#5019