How To Fix W4020 - &: & WM stock transfer (from material) exists
W4020 - Overview
Message type: E = Error
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Message class:
W4 - Messages for material discontinuation -
Message number: 020
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Message text: &: & WM stock transfer (from material) exists
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What causes this issue?
A (warehouse management) stock transfer document still exists for the
material.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?
Delete the WM stock transfer document for the material.
Procedure for System Administrators
Error message extract from SAP system. Copyright SAP SE.
W4020 - Details
Error Code: W4020
Error Message: &: & WM stock transfer (from material) exists
Summary
This warning indicates that there is an existing Warehouse Management (WM) stock transfer order or movement related to the specified material. The system prevents creating or processing another conflicting stock transfer for the same material until the existing one is completed or cleared.
Root Causes
- An open or incomplete WM stock transfer order exists for the material in the warehouse.
- User attempts to create a new stock transfer or transfer order for a material that is already involved in an ongoing WM transfer.
- System configuration or process design requires completion of previous WM movements before initiating new ones for the same material.
- Data inconsistencies or delays in WM confirmation causing the system to still consider the previous transfer active.
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