Keyed Sequence Ignored for open of member XXX

Hi All,
I'm using a data base file in output only mode in one of my RPG programs
and
when i run the program i get a diagnostic message ''Keyed sequence
ignored 
for open of member XXX" on the first screen.  The file is keyed
externally but in my program i didn't
specify a 'K' in file specification as it's only output mode. Is there
any way i can supress these messages like we supress status messages by
specifying *none in user profile. I see these messages 
on V3R1 machine but not on V4R1, is it related OS version? Any help
would be appreciated

TIA
Ravi
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