How To Fix MM160 - EANs cannot be maintained for manufacturer parts

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 160

• Message text: EANs cannot be maintained for manufacturer parts

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM160 - EANs cannot be maintained for manufacturer parts ?

  The SAP error message MM160, which states "EANs cannot be maintained for manufacturer parts," typically occurs in the Materials Management (MM) module when you attempt to maintain or assign European Article Numbers (EANs) to materials that are classified as manufacturer parts. 
  
  Cause:
  
  Material Type Restrictions: The material type of the item you are trying to maintain may not allow for EANs. Manufacturer parts are often defined in a way that does not support EANs.
  Configuration Settings: The configuration settings in the SAP system may restrict the assignment of EANs to certain material types or categories.
  Data Entry Error: There may be an attempt to enter EANs for a material that is not intended to have them, such as a non-stock item or a service.
  
  
  Solution:
  
  Check Material Type: Verify the material type of the item you are trying to maintain. If it is a manufacturer part, you may need to change the material type to