How To Fix R11851 - Validity start is after validity end

SAP Error Message - Details

• Message type: E = Error

• Message class: R11 - Business Partner and BDT

• Message number: 851

• Message text: Validity start is after validity end

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R11851 - Validity start is after validity end ?

  The SAP error message R11851, which states "Validity start is after validity end," typically occurs in the context of master data maintenance, such as when dealing with pricing conditions, validity periods for contracts, or other time-sensitive data entries. This error indicates that the start date of a validity period is set to a date that is later than the end date, which is logically incorrect.
  Cause:
  
  Incorrect Date Entry: The most common cause is that the user has mistakenly entered the start date as being later than the end date.
  Data Migration Issues: If data is being imported or migrated from another system, there may be inconsistencies in the date formats or values.
  System Configuration: In some cases, system settings or configurations may lead to incorrect date calculations or validations.
  
  Solution:
  
  Check Date Entries: Review the validity start and end dates in the relevant transaction or master data record. Ensure that the start date is earlier than the end date.
  Correct the Dates: If the dates are incorrect, update them to reflect the correct validity period. Make sure to save the changes.
  Data Validation: Implement validation checks in your data entry processes to prevent this error from occurring in the future.
  Consult Documentation: If you are unsure about the correct dates, refer to the relevant business documentation or consult with a colleague who is familiar with the data requirements.
  Testing: After making corrections, test the changes in a development or test environment before applying them to production.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like VK11 (Create Condition), VK12 (Change Condition), or others related to master data maintenance.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Providing training for users on how to correctly enter and manage date fields can help reduce the occurrence of this error.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By addressing the root cause of the error and ensuring proper data entry practices, you can resolve the R11851 error and prevent it from recurring in the future.