This error occurs while opening Forms in Oracle Applications.

Reason:This issue accurs mostly after Upgrade/Clone of applications.The invalid objects in Custom.pll, form throws an error when opened.

Solution:Compile Custom.pll using the below command to generate Custom.plx. Always make sure to backup the previous CUSTOM.plx


f60gen module=$AU_TOP/resource/CUSTOM.pll userid=APPS/APPS output_file=$AU_TOP/resource/CUSTOM.plx module_type=library batch=no compile_all=special