Go to Management Console> Environment>Press green play icon that you see after Provisioning Store.
You would find all User store to Provisioning Store Mappings. Ensure that you have right mappings set and all the provsioning physical attributes are present in LDAP.
Check the outbound Event mappings. They are mandate for Sync to happen:
Below errors are pointing that the issue might be with identity policies.
So, I would try below: