SD Doc. is released for Invoice it is asking for CO object for Reveune A/c

hi,

friends,

while Release billing SD document to accounting get the error Account 31211100 requires an assignment to a co object.

In G/L cost element category assign 11 no

How can solved this error.

Dont suggest me to OKB9

or KE41

or Profit Center in Material Master....

Bust somewhere else it determines When you are active with CO-PA