How To Fix /SAPMP/LO_RC304 - Plant &, reel category &: reel category sequence has not been defined

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPMP/LO_RC -

• Message number: 304

• Message text: Plant &, reel category &: reel category sequence has not been defined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPMP/LO_RC304 - Plant &, reel category &: reel category sequence has not been defined ?

  The SAP error message /SAPMP/LO_RC304 indicates that there is an issue with the configuration of the plant and reel category sequence in the SAP system. This error typically arises in the context of logistics and production planning, particularly when dealing with materials that are managed in reels or similar categories.
  Cause:
  The error message is triggered when the system attempts to process a transaction that requires a defined sequence for the specified plant and reel category, but no such sequence has been configured in the system. This can happen due to:
  
  Missing Configuration: The necessary configuration for the plant and reel category sequence has not been set up in the system.
  Incorrect Data Entry: The plant or reel category entered in the transaction may not match any existing configuration.
  Transport Issues: If the configuration was recently transported from another system, it may not have been properly imported or activated.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to the relevant section for defining plant and reel category sequences. This is usually found under:
  Logistics -> Logistics Execution -> Shipping -> Basic Shipping Functions -> Define Plant and Reel Category Sequences
  
  Ensure that the required sequences for the specific plant and reel category are defined.
  
  
  
  Create or Modify Sequence:
  
  If the sequence does not exist, create a new entry for the plant and reel category.
  If it exists but is incorrect, modify it to ensure it aligns with your business requirements.
  
  
  
  Check Master Data:
  
  Verify that the master data for the materials involved is correctly set up, including the plant and reel category assignments.
  
  
  
  Transport Requests:
  
  If the configuration was recently transported, check the transport logs for any errors and ensure that the configuration is active in the target system.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO for configuration, MM02 for material master changes, or SE11 for data dictionary checks.
  Documentation: Refer to SAP Help documentation for detailed guidance on configuring logistics and production planning settings.
  Support: If the issue persists after checking the configuration, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  By following these steps, you should be able to identify and resolve the cause of the /SAPMP/LO_RC304 error in your SAP system.