Regarding special GL indicator

Hi,

I am facing a peculiar problem regarding special GL indicator. I am in to the FBKP transaction which shows me the list of special GL with the fields as special GL indicator and account type.

In this screen I donot find the special G/L indicator M for account type K. When I am trying top create the same in system I get a message that special GL indicator M already exists for account type k.

Requesting you to please help me out for thsi how to create the special GL indicator M for account type K.

Rgds

manish