Pretty simple, this is the first topic you opened, keep posting on this one, don’t open duplicate topics or they’ll get closed
You not getting an answer doesn’t mean we’re ignoring you, it may just mean that we don’t know or are otherwise occupied. We’re not experts on sssd.
Your config shows that your container has up to 1000000000 uid/gid, it looks like you’re somehow trying to use something past that range. This won’t work and you need to configure sssd to have it not do that. Look at the sssd documentation for ways to do this.
I’m not familiar with the IPA backend but for the AD backend, they have ldap_idmap_range_min, ldap_idmap_range_max, ldap_idmap_range_size, min_id and max_id that are all designed to handle this.