How To Fix VD347 - Date & cannot be checked (missing planning calendar)

SAP Error Message - Details

• Message type: E = Error

• Message class: VD - Date conversion

• Message number: 347

• Message text: Date & cannot be checked (missing planning calendar)

What causes this issue?

You have not maintained a planning calendar in the material master
record.

System Response

You must assign a planning calendar to the material in the material
master record in order to work with flexible period lengths in the
planning calendar.

How to fix this error?

Enter the planning calendar in the material master record (MRP data
screen 2).
As necessary, check whether the called application supports this period
indicator.

Error message extract from SAP system. Copyright SAP SE.