R12.1.3 : patch 12803250:R12.AP.B is giving error

Hi,
The recommended the patch 17304431:R12.JAI.B which has a prerequisite 12803250:R12.AP.B. while applying this patch we got the following error

adrelink is exiting with status 1


The log file is showing :

---------------------------------------
(FCDbCrSumExEle
m.o): defined in discarded section
`.gnu.linkonce.t._ZN14SimpleTreeIterI3ValEppEv' of
$APPL_TOP/fem/12.0.0/lib/libfem.a(FCDbCrSumExEle
m.o)
`.gnu.linkonce.t._ZN14SimpleTreeIterI3ValEppEv' referenced in section
`.rodata' of
$APPL_TOP/fem/12.0.0/lib/libfem.a(FCMathExecOp.o
): defined in discarded section
`.gnu.linkonce.t._ZN14SimpleTreeIterI3ValEppEv' of
$APPL_TOP/fem/12.0.0/lib/libfem.a(FCMathExecOp.o
)
collect2: ld returned 1 exit status