SAP Message AH815 - Device &1 reg. &2 period &3 - &4: error in register relationship

Diagnosis
A gas procedure is to be carried out for a register. For thisprocedure, the volume correction factor component is determined by aspecial procedure that uses the register relationship "volume corre
ction factor relationship". For the specified period, no correspondingdevice/register having the operation code "Register adopts volumecorrection factor" could be found for this device/register.

System Response

Procedure
Proceed as follows:
Check the register relationship for the specified device/register andperiod, and correct the register relationship if necessary.
If this does not solve the problem, an internal error may haveoccurred. In this case, contact SAP.