Message dictionary couldn't open the CLE application message file.Can't open file $CLE_TOP/mesg/US.msg for reading

Problem:

Message dictionary couldn't open the CLE application message file.Can't open file
$CLE_TOP/mesg/US.msg for reading

Solution:

Navigate to Applications Developer responsibility:
Run concurrent request: Generate Messages, with the following parameters:
Language: US
Application: CLE
Mode: DB_TO_RUNTIME

Then try
cd $CLE_TOP

cd mesg

ls

US.msg is came:))