hi i got 3nodes mls setup im doing patching for nls should i apply u11510nls.drv when i apply it on admin/conc node it fails and then i couldnt disable the maintenance mode i get aiimToggleMaintenanceMode():Error while calling aiucm3() error error while running that scripts sqlplus -s &un_apps/***** @/ad/11.5.0/patch/115/sql/adsetmmd.sql DISABLE Spawned Process 22736 An error occurred while running adsetmmd.sql i brought the apps up and took it down again still i couldnt disable the maintenance mode how to use oam to check what patch i need to apply .