SAP Message /SAPCND/MAINTENANCE756 - Condition maintenance is not possible at the moment

Diagnosis
A request is being imported into the system. User &v1& has started ageneration run via condition technique objects.

System Response
Simultaneous condition maintenance in the system could lead to adeadlock situation as a result of updating the DDIC time stamp forreports to be generated. These are alsways triggered so that thegeneration run, and not the condition maintenance session, isterminated. For this reason, the generation run has to reject conditionmaintenance for now.

Procedure
Try condition maintenance at a later time. If the error continues toexist, inform your system administrator.

Procedure for System Administration
The request, and specifically method execution must first run beforecondition maintenance can be called up again.