SAP Message C/026 - Incorrect number of fields for entry of operation dates

Diagnosis
When dispatching an operation, you can specify the new set of dates foran operation either by entering all date fields (date and time for eachentry) or by entering a single date (date and time).
An unpermitted number of date fields were transferred.

System Response
Dispatching cannot be carried out.

Procedure
Check the date fields transferred.