How To Fix /SAPAPO/OM_TS012 - All dates must occur after the previous dates

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_TS -

• Message number: 012

• Message text: All dates must occur after the previous dates

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_TS012 - All dates must occur after the previous dates ?

  The SAP error message /SAPAPO/OM_TS012 indicates that there is an issue with the scheduling of dates in the system. Specifically, it means that one or more dates in your planning or scheduling process are not in the correct sequence; that is, a date is set to occur before a previous date, which is not allowed.
  Cause:
  This error typically arises in scenarios such as:
  
  Incorrect Date Entries: Dates for activities, orders, or tasks have been entered incorrectly, leading to a situation where a subsequent date is earlier than a previous date.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in date formats or values.
  Planning Parameters: The planning parameters or settings may not be configured correctly, leading to conflicts in date scheduling.
  Dependencies: There may be dependencies between tasks or orders that are not being respected, causing the system to flag the dates as invalid.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Date Entries: Check the dates entered for the relevant orders, tasks, or activities. Ensure that all dates are in the correct sequence and that no date is set to occur before a previous date.
  
  
  Check Dependencies: If there are dependencies between tasks or orders, ensure that they are correctly defined and that the dates respect these dependencies.
  
  
  Adjust Planning Parameters: Review the planning parameters in the system to ensure they are set up correctly. This may involve checking the configuration settings in the SAP APO (Advanced Planning and Optimization) module.
  
  
  Data Validation: If data has been migrated, perform a validation check to ensure that all date fields are populated correctly and that there are no inconsistencies.
  
  
  Use Transaction Codes: Utilize relevant transaction codes (like /SAPAPO/TS for time series) to analyze and correct the scheduling issues.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error message and related configuration settings.
  
  
  Seek Help from SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or patches.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO that can help you analyze and correct scheduling issues.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the issue causing the /SAPAPO/OM_TS012 error message.