Thank you for saving my day! I had exact the some problem (C9300 with IOS XE 16.12.01 & ASA 5545-X with IOS 9.4.4.(37)). using "ip ospf lls disable" on the C9300 side solved the problem immediately :-) Best regardsMarco
Hi Qousai EdelbiI use a valid certificate from StartSSL.com and got this error message despite of this fact. Actually everything should work but I got this ugliy error until I followed your steps. Now the error message is gone. Thank you for posting ...