How To Fix CB021 - Enter a start date which is earlier than the finish date

SAP Error Message - Details

• Message type: E = Error

• Message class: CB - PP-PI-PMA: Dialog Messages for Process Management

• Message number: 021

• Message text: Enter a start date which is earlier than the finish date

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CB021 - Enter a start date which is earlier than the finish date ?

  The SAP error message CB021, which states "Enter a start date which is earlier than the finish date," typically occurs in the context of project management or production planning within SAP. This error indicates that the start date you have entered for a task, project, or activity is later than the finish date, which is logically incorrect.
  Cause:
  
  Incorrect Date Entry: The most common cause is simply entering the dates incorrectly. The start date may have been entered after the finish date.
  System Configuration: In some cases, the system configuration or settings may enforce rules that lead to this error.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in date formats or values.
  User Error: Users may inadvertently select the wrong dates due to misunderstanding the date fields or using the calendar incorrectly.
  
  Solution:
  
  Check Date Entries: Review the start and finish dates you have entered. Ensure that the start date is indeed earlier than the finish date.
  Correct the Dates: If you find that the start date is later than the finish date, correct it by entering a valid start date that precedes the finish date.
  Validation: Implement validation checks in your data entry process to prevent this error from occurring in the future.
  Consult Documentation: If you are unsure about the correct dates to enter, refer to project documentation or consult with a project manager or team lead.
  System Configuration: If the issue persists and seems to be related to system settings, consult with your SAP administrator or technical support to review the configuration.
  
  Related Information:
  
  SAP Modules: This error can occur in various SAP modules, including SAP Project System (PS), SAP Production Planning (PP), and others where date management is critical.
  User Training: Providing training for users on how to correctly enter dates and understand the implications of start and finish dates can help reduce the occurrence of this error.
  SAP Notes: Check SAP Notes and Knowledge Base Articles for any known issues or patches related to this error message.
  Error Handling: Implement error handling procedures in your SAP environment to capture and address such errors efficiently.
  
  By following these steps, you should be able to resolve the CB021 error and ensure that your date entries are valid.