SAP Note 24471 - VD346: Period indicator 4 is not defined

Symptom:

When you create an order item with date type P (period), error message VD346 is displayed: Period indicator 4 is not defined. However, table TPRG contains an entry with language D, delivery date P, and date type 4. This means, the date type P is proposed as a possible entry by means of F4.

Cause and prerequisites

Date type 4 (period indicator P) is not defined. This is hard-checked when converting the date.

Solution
None. This date type may not be used in purchase orders.

Additional key words

ME21 ME22 PERIOD_AND_DATE_CONVERT_INPUT LVDATU01