How To Fix LC221 - Definition of material numbers incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: LC - Logistics Controlling

• Message number: 221

• Message text: Definition of material numbers incorrect

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LC221 - Definition of material numbers incorrect ?

  The SAP error message LC221, which states "Definition of material numbers incorrect," typically occurs in the context of logistics and inventory management when there is an issue with the configuration or definition of material numbers in the system. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Material Number Format: The material number may not conform to the defined format in the system. This could be due to length, character type, or other formatting rules.
  Missing Material Master Data: The material number may not exist in the material master data, or it may not be properly defined for the relevant plant or storage location.
  Configuration Issues: There may be issues with the configuration settings in the SAP system related to material number ranges or number assignment.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies or errors in the material number definitions.
  User Authorization: The user may not have the necessary authorizations to access or create the material number.
  
  Solutions:
  
  Check Material Number Format: Verify that the material number being used adheres to the defined format in the system. Check the configuration settings for material number ranges in transaction code OMN1 or OMN2.
  Verify Material Master Data: Use transaction code MM03 to check if the material number exists in the material master. If it does not exist, create it using MM01.
  Review Configuration Settings: Check the configuration settings for material number assignment in the IMG (Implementation Guide) under Logistics > Material Management > Material Master > Basic Settings > Material Number.
  Data Consistency Check: If data migration is involved, perform a consistency check to ensure that all material numbers are correctly defined and do not have any discrepancies.
  User Authorization: Ensure that the user has the necessary authorizations to create or modify material numbers. This can be checked with the security team or through transaction SU53 to analyze authorization issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), MM03 (Display Material), and OMN1/OMN2 (Material Number Ranges).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  Documentation: Review SAP documentation or help files related to material management and material master data for further insights into configuration and setup.
  
  By following these steps, you should be able to identify the root cause of the LC221 error and implement the necessary solutions to resolve it.