Allow not to show a G/L ACCOUNT in FBL3N

Hello,

I have a question about FBL3N transaction.

I want to know if is there a possibility to show a message when you try to get information about one G/L Account in FBL3N transaction.

I want that for one account, that only one user can see the postings.

I've tried with OB28 transaction, but it's not possible.

Thanks,

Regards,

Pedro Serrano.