SAP Message AC553 - Ch.of dep. &2: Depreciation area &1 has incorrect posting control

Diagnosis
Depreciation area &V1& is defined as the depreciation area forinvestment support managed on the liabilities side. As such, the valuesfrom this area always have to be posted in realtime to G/L Accounting.
However, the area is not defined in this way.

Procedure
Check over your specifications.