How To Fix /SAPAPO/SCC121 - End date/time must be later than start date/time

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SCC -

• Message number: 121

• Message text: End date/time must be later than start date/time

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SCC121 - End date/time must be later than start date/time ?

  The SAP error message /SAPAPO/SCC121 indicates that there is an issue with the date and time settings in a scheduling or planning function within the SAP Advanced Planning and Optimization (APO) module. Specifically, this error occurs when the end date/time specified for a planning activity is not later than the start date/time. 
  Cause:
  
  Incorrect Date/Time Input: The most common cause is that the user has entered an end date/time that is equal to or earlier than the start date/time.
  Data Entry Errors: Mistakes during data entry, such as typographical errors or misinterpretation of date formats.
  System Configuration Issues: In some cases, system settings or configurations may lead to incorrect date/time calculations.
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Check Input Values:
  
  Review the start date/time and end date/time fields in the relevant transaction or planning activity.
  Ensure that the end date/time is indeed later than the start date/time.
  
  
  
  Correct Date/Time Format:
  
  Make sure that the date and time formats are correctly interpreted by the system. For example, ensure that you are using the correct format (e.g., DD/MM/YYYY or MM/DD/YYYY) as per your system settings.
  
  
  
  Adjust Dates:
  
  If the end date/time is incorrect, adjust it to a valid value that is later than the start date/time.
  
  
  
  Re-enter Data:
  
  If you suspect that there was a data entry error, clear the fields and re-enter the values carefully.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct values to enter, refer to the relevant SAP documentation or user guides for guidance on the specific transaction or planning activity.
  
  
  
  Check for System Updates:
  
  Ensure that your SAP system is up to date, as sometimes bugs or issues can be resolved in newer versions or patches.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may be working in various transaction codes related to planning, such as /SAPAPO/SDP94 (for planning board) or /SAPAPO/SCM1 (for supply chain management).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that you have the necessary permissions to make changes to the planning data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide further assistance.