could it be also the server’s cache?
Try delete ur server cache aswell 
how? and will that give errors or?
Not sure how to do it manually, but when i first setup my server, i made it to where it tells me if i wanna delete cache or not.
what does fiveM server cache cleaning excatly?
It cleans the server cache so it can launch without anything intefering the launch i think. It pretty much means there should be less errors.
can you help me i dont know how to remove it manually.
Look it up on the forums.
still need help, isnt working?
Anyone.
I have been getting this error also ever since the new Essentialmode update