Control-M: 22_NAQ_NONSAP - Event: JOB NOT OK App: LYNX-IS-ECC-QA-FQ3 Job: ORACLE DB ARCHIVES Folder: 9N2QA22_LYN-DATABASE-ECC_PRI
incident came due to observer not started after Q4 os patching activity 
after starting observer backup completed successfuly 
hence resolving this incident