WLAN 8100 - Config-sync fails

[iles1]

Gettin this failure at peer wlc's
Sync State : Out of Sync
Version Number : 1583
Receive Source IP : 172.22.21.3
Receive Timestamp : Jan 16 16:58:50 2018
Receive Status : Failure - Invalid Config
Action Status : Not Started
Out Of Sync Components : AP Database
Network Profile
QoS Diffserv
On AMDC
Sync State : Master
Version Number : 1591

logs on peer wlc show AP Database and AP Profile pushed from AMDC
When looking at local config all looks correct.
What can i do to get domain to sync ?

To note: Reboot of device sorted the issue