SAP Note 26955 - Resource-related billing doc. (VA90) 'Date_invalid'

Symptom:

1. Resource-related billing document ( VA90 ) causes a dump, 'Date_invalid'.
2. Creating credit memo requests and debit memo requests from Contacts produces error message V1185.
3. The same message can appear during first data transfer with program rvinvb00.

Cause and prerequisites

This happens if the following applies:
- a resource-related billing document exists for a plant maintenance order
- the plant maintenance order is not allocated to a sales order
- a calendar for billing schedule is allocated to the customer in the master record

Solution
The following preliminary correction is possible.