How To Fix AH303 - ERCH doc. no. &1 ERDK doc. no. &2: STOKZ not set

AH303 - Overview

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 303

• Message text: ERCH doc. no. &1 ERDK doc. no. &2: STOKZ not set

What causes this issue?

INCONSISTENCY:
The invoice document corresponding to billing document &v1& and ERDK
document &v2& are reversed according to the invoice document; however,
the reverse indicator is not set in ERDK.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

AH303 - Details

• The SAP error message AH303 indicates that there is an issue related to the stock type (STOKZ) not being set for a specific document. This error typically arises in the context of inventory management or logistics processes, particularly when dealing with stock movements or document postings.
  
  Cause:
  The error message AH303 occurs when:
  
  Stock Type Not Defined: The stock type (STOKZ) is not defined for the material in question. This can happen if the material master data is incomplete or incorrectly configured.
  Document Issues: The document numbers referenced (ERCH doc. no. &1 and ERDK doc. no. &2) may not have the necessary stock type information associated with them.
  
  Configuration Issues: There may be configuration issues in the system that prevent the stock type from being set correctly during the transaction.
  
  
  Solution:
  To resolve the AH303 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify that the