SAP Message F5673 - Not possible to reverse the document in financial accounting

Diagnosis Document '&v1&' in company code '&v2&' should be reversed. However,this document was not posted in the Financial Accounting module, &v3&is, rather, of type '&v4&'. System Response Documents which were not originally posted in Financial Accounting alsocannot be reversed in Financial Accounting. Procedure Reverse the original transaction. You can display the originaldocument from the FI document via 'Environment' -> 'Original doc.'.

100426	F5802 or F5673 when billing doc reversed
63484	FBRA - Reset cleared items not possible due to reversal
83923	MR8M: Cancellation for cleared item in FI
336557	Settlmnt to asset: reversl only undoes finl sttlmnt