How To Fix WTADDI429 - No message category exists for additional &1 (material group &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: WTADDI - Additionals: Messages

• Message number: 429

• Message text: No message category exists for additional &1 (material group &2)

What causes this issue?

If you want to create an additionals IDoc, the system must recognize
the relevant message category for each additional. The message category
is used to determine the quantity of data to be selected.

System Response

Without the message category, the system cannot create an IDoc.

How to fix this error?

Determine the material group of additional &V1&. Then maintain the
logical message category for this
<DS:SIMG.W_DF_LT_0203.SIMG_LAB>material group</> in Customizing for the
additional.
INCLUDE ISR_CUSTOMIZING

Error message extract from SAP system. Copyright SAP SE.