Sales Update R42800 for Intercompany Sales order (SI)

Hi All,

when I am trying to Sales update (R42800) an intercompany sale order getting below message in work center -

CAUSE . . . . The posting edit code does not allow transactions to be posted
to this account. Valid codes include:
Blank - all postings are allowed.
'N' - the Account or Business Unit does not allow posting.
'B' - only budgets may be entered for an account.
'S' or 'L' - a subledger and type must be entered for all transactions.
'X' - a subledger and type are not allowed for any transactions.
'I' - the account is inactive, posting is not allowed.