How To Fix CH146 - Material type cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: CH - CAD/PP integration messages

• Message number: 146

• Message text: Material type cannot be changed

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 CH146 - Material type cannot be changed ?

  The SAP error message CH146 ("Material type cannot be changed") typically occurs when you attempt to change the material type of an existing material in the SAP system. This is a restriction in SAP because the material type is a fundamental attribute that defines various characteristics and behaviors of the material, including its valuation, procurement, and inventory management processes.
  
  Cause:
  
  Material Type Restrictions: The material type is linked to various configurations and settings in the system. Changing it could lead to inconsistencies in data and processes.
  Existing Transactions: If there are existing transactions (like purchase orders, sales orders, stock movements, etc.) associated with the material, the system will prevent changes to the material type to maintain data integrity.
  Material Master Data: The material master data is structured in a way that certain fields are locked once the material is created, especially the material type.
  
  
  Solution:
  
  Create a New Material: Instead of changing the material type of