required an answer regarding opatch apply
opatch apply
Oracle Interim Patch Installer version 12.1.0.1.10
Copyright (c) 2017, Oracle Corporation. All rights reserved.
Oracle Home : /d01/oracle/RED/12.1.0
Central Inventory : /d01/oracle/RED/oraInventory
from : /d01/oracle/RED/12.1.0/oraInst.loc
OPatch version : 12.1.0.1.10
OUI version : 12.1.0.2.0
Log file location : /d01/oracle/RED/12.1.0/cfgtoollogs/opatch/21967332_Aug_25_2017_11_09_02/apply2017-08-25_11-09-02AM_1.log
Verifying environment and performing prerequisite checks...
Conflicts/Supersets for each patch are:
Patch : 21967332
Conflict with 18893947
Conflict details:
/d01/oracle/RED/12.1.0/lib/libgeneric12.a:qcdo.o
Following patches have conflicts: [ 18893947 21967332 ]
Refer to My Oracle Support Note 1299688.1 for instructions on resolving patch conflicts.
UtilSession failed: Inter-conflict checking failed in apply incoming patches