Error while doing MR8M

[Former Member]

Dear Guru's

i have a return po and Migo done for the same & credit note also done for the same.

but when i go to MR8M tcode to cancel the credit note i am getting the below error,

''Document XXXXXXXXXX XX 2009 already contains cleared items - reversal not

possible

Message no. F5802 ''

[Former Member]

has ur credit note(credit memo )been generated by the system due to an invoice reversal.?

[Former Member]

Done