So yeah, I discovered that the crack only works on 3 exports for a single account, which means that if you have 3 exports per account before it displays the "network error" message, then you'll have to log in with another account to get 3 more exports.
Except that people (and I) will run out of accounts after a while... is there any way to fix this? I don't know enough about coding to be of any help, so I couldn't say.
But it's true that it's quite frustrating because the crack works great in every way. Like, if this problem finds a permanent solution, it's literally the perfect crack. and that mean no need to buy a 23$/month for pro (thing i wouldn't do anyway)