patch 13612492:R12.GL.B fails relinking programs

Hi,

patch 13612492:R12.GL.B fails relinking programs

the relink log file is showing :

File name :  adrelink_manual.log
------------------------------------------
Current product is  AD
adrelink: Warning: not setting  LADLIB
since /d02/oracle/PROD/apps/apps_st/appl/ad/12.0.0/lib/libad.a does not exist
or cannot be read.

Current product is  ALR
adrelink: Warning: not setting  LALRLIB
since /d02/oracle/PROD/apps/apps_st/appl/alr/12.0.0/lib/libalr.a does not
exist
or cannot be read.

Current product is  AP
adrelink: Warning: not setting  LAPLIB
since /d02/oracle/PROD/apps/apps_st/appl/ap/12.0.0/lib/libap.a does not exist