How To Fix LM450 - External validity period must not exceed internal validity period

SAP Error Message - Details

• Message type: E = Error

• Message class: LM - Treasury: Limit Management

• Message number: 450

• Message text: External validity period must not exceed internal validity period

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LM450 - External validity period must not exceed internal validity period ?

  The SAP error message LM450, which states "External validity period must not exceed internal validity period," typically occurs in the context of managing materials or products in SAP, particularly when dealing with the validity periods of external and internal data.
  Cause:
  This error arises when there is a mismatch between the external validity period (the time frame during which a product or material is valid for external use, such as sales or distribution) and the internal validity period (the time frame during which the product or material is valid for internal processes, such as production or inventory management). Specifically, the external validity period is set to extend beyond the internal validity period, which is not allowed in SAP.
  Solution:
  To resolve this error, you need to ensure that the external validity period does not exceed the internal validity period. Here are the steps you can take:
  
  
  Check Validity Periods:
  
  Go to the relevant transaction in SAP where you manage the material or product (e.g., MM02 for material master).
  Review the internal and external validity periods set for the material.
  
  
  
  Adjust Validity Periods:
  
  If the external validity period is indeed longer than the internal validity period, you will need to adjust one of them:
  
  Shorten the External Validity Period: If the external validity period is not critical, you can reduce it to match or be shorter than the internal validity period.
  Extend the Internal Validity Period: If the internal validity period can be extended, you can modify it to accommodate the external validity period.
  
  
  
  
  
  Save Changes: After making the necessary adjustments, save the changes and check if the error persists.
  
  
  Consult Documentation: If you are unsure about the appropriate validity periods, consult your organization's documentation or guidelines regarding product lifecycle management.
  
  
  Seek Help from SAP Support: If the issue continues or if you need further assistance, consider reaching out to your SAP support team or consulting SAP documentation for more detailed guidance.
  
  
  Related Information:
  
  Material Master Data: Understanding how material master data is structured in SAP can help in managing validity periods effectively.
  Product Lifecycle Management (PLM): Familiarity with PLM processes in SAP can provide insights into how validity periods are managed throughout a product's lifecycle.
  SAP Notes and Documentation: Check SAP Notes for any specific patches or updates related to this error message, as well as the official SAP Help Portal for detailed explanations of validity periods.
  
  By following these steps, you should be able to resolve the LM450 error and ensure that your external and internal validity periods are correctly aligned.