Diagnosis
The system was not able to determine the price of the reservation. Therecan be various reasons for this. The most probable cause is that thecalculated price is too high for the system to be able to process it.

Procedure
Check your entries using the check function. If the check does not findany errors, check the duration of the reservation. If the calculation ismade using an outline agreement, it could be that the amount referencewas set incorrectly in the frequency term.