How To Fix IS557 - Material change for serial number change is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: IS - Equipment management

• Message number: 557

• Message text: Material change for serial number change is not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IS557 - Material change for serial number change is not possible ?

  The SAP error message IS557, which states "Material change for serial number change is not possible," typically occurs in the context of handling materials that are serialized in the SAP system. This error indicates that there is an attempt to change the material associated with a serialized item, which is not allowed due to the way SAP manages serial numbers and material master data.
  Cause:
  
  Serialized Material: The material in question is serialized, meaning it has a unique serial number associated with it.
  Material Change Attempt: There is an attempt to change the material number for an item that has already been assigned a serial number. SAP does not allow changing the material number for serialized items because the serial number is tied to specific material characteristics and inventory management processes.
  System Configuration: The system may be configured in a way that restricts changes to serialized materials.
  
  Solution:
  
  Review the Requirement: Determine if changing the material number is absolutely necessary. If it is not, consider using the existing material and serial number.
  Create a New Material: If a change is required, you may need to create a new material master record and then assign the serial number to the new material. This may involve transferring the stock from the old material to the new one.
  Use Movement Types: If you need to move stock from one material to another, consider using appropriate movement types (e.g., 311 for stock transfer) to handle the transfer of serialized stock.
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific procedures related to handling serialized materials and any restrictions that may apply.
  Check User Authorizations: Ensure that the user attempting to make the change has the necessary authorizations to perform the action.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates regarding this error message.
  Transaction Codes: Familiarize yourself with transaction codes related to material management and serial number handling, such as:
  
  MM02: Change Material Master
  IQ01: Create Serial Number
  IQ02: Change Serial Number
  
  
  Training and Documentation: Ensure that users are trained on the implications of handling serialized materials and the restrictions that exist within the SAP system.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal IT team for further assistance.