11.5.10.2 : During patching following .pll file didn't generated successfuly.

hello,

During patching following .pll file didn't generated successfuly.

The following Oracle Forms objects did not generate successfully:

au  resource  ARXCOECC.pll

An error occurred while generating Oracle Forms library files.

Continue as if it were successful [No] :

We continued the patching as if it were succeeded.

Please check and let us know if any issues and solution for the same.

adwork*.log  is showing

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ERROR generating library "resource/ARXCOECC.plx" from input file
/u01-tst3/appltst3/tst3appl/au/11.5.0/resource/ARXCOECC.pll

Results of library generation:
(from file /u01-tst3/appltst3/tst3appl/au/11.5.0/resource/ARXCOECC.err
AD Worker has deleted the original .err file)