SAP Message 56241 - No advance trip schema 'VS' exists for trip provision variant &

Diagnosis You want to create a trip from a trip advance. System Response In the view 'Define trip schemas' the entry 'VS' for the trip advanceschema is missing. Procedure Please inform your system administrator. Procedure for System Administration Make an entry with the key 'VS' for trip advance in the view 'Definetrip schemas' for the relative trip provision variant.