How To Fix /CWM/QM004 - Only CW or non-CW materials are allowed

/CWM/QM004 - Overview

• Message type: E = Error

• Message class: /CWM/QM -

• Message number: 004

• Message text: Only CW or non-CW materials are allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /CWM/QM004 - Only CW or non-CW materials are allowed ?

  The SAP error message /CWM/QM004: Only CW or non-CW materials are allowed typically occurs in the context of the SAP Extended Warehouse Management (EWM) system, particularly when dealing with materials that are classified as either "CW" (Controlled Warehouse) or "non-CW" materials. This error indicates that there is a mismatch in the type of materials being processed in a specific operation, such as during goods receipt, goods issue, or inventory management.
  
  Cause:
  
  Material Classification: The error arises when an operation is attempted with a material that does not match the expected classification (either CW or non-CW). For example, if the system expects a CW material but receives a non-CW material, or vice versa.
  
  Configuration Issues: There may be configuration settings in the EWM or the material master that are not aligned with the expected material types.
  Inconsistent Data: The material master data may have inconsistencies, such as incorrect settings for the material type or warehouse