Mikrotik to access point mesh

I have meshed three access poits 1 as the main(wired to the mikrotik) the others are connected wirelessly tothe main one… … ..i first meshed the three aps but when i bypass their ip in the mikrotik the other wirelessly meshed work for a few minutes sometimes onely one works and sometime none they will be struggling to get the ip address , help

Without the steps you took, it is very hard to say something with sense.
Did you use a tutorial/video? Any references?

Even better: can you share the config (of at least main and one mesh-ed)?

/export file=anynameyoulike

Remove serial and any other private info, post as Preformatted text by using the </> button in the editor.