SAP Message M3284 - Planned delivery time is 0 for ext. procured material

Diagnosis
You are creating a master record for a material that is to be procuredexternally. However, you have not entered a planned delivery time.
A planned delivery time of zero only makes sense if the material can beprocured in less than a day. This is possibly the case, for example,when stock is transferred from one plant to another.

Procedure
INCLUDE NA_SACHVERHALT