During install of patch ap11705ServerPatch on top of the 11.7.1.2 version below error appeared.
Release : 11.7
Compatibility issue.
The Patch 5(ap11705ServerPatch) is related to 11.7.0.x base release. The server where this install was attempted already has Service Pack 1 installed.
11.7.0.x - BASE
11.7.1.x - SP1
11.7.2.x - SP2