How To Fix /SAPAPO/PMAN013 - Error during calculation of earliest/latest dates, see the planning log

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PMAN -

• Message number: 013

• Message text: Error during calculation of earliest/latest dates, see the planning log

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PMAN013 - Error during calculation of earliest/latest dates, see the planning log ?

  The SAP error message /SAPAPO/PMAN013 typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the calculation of earliest or latest dates for a planning object, such as a production order or a planned order. This error can arise due to various reasons, including data inconsistencies, configuration issues, or missing master data.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the master data, such as incorrect or missing information in the material master, production resources, or work centers.
  Planning Parameters: Incorrect planning parameters or settings in the APO system can lead to issues in date calculations.
  Capacity Constraints: If there are capacity constraints that are not properly defined or are conflicting, it can lead to errors in scheduling.
  Missing Dependencies: Dependencies between different planning objects may not be correctly defined, leading to issues in calculating dates.
  Incorrect Time Settings: Time settings such as lead times, processing times, or transportation times may be incorrectly configured.
  
  Solutions:
  
  Check the Planning Log: The error message suggests checking the planning log for more detailed information about the error. This log can provide insights into what specifically went wrong during the date calculation.
  Review Master Data: Ensure that all relevant master data (material master, work centers, production resources, etc.) is complete and accurate. Look for any missing or incorrect entries.
  Validate Planning Parameters: Review the planning parameters and settings in the APO system to ensure they are configured correctly.
  Analyze Capacity Constraints: Check for any capacity constraints that may be causing scheduling conflicts. Ensure that all resources are properly defined and available.
  Check Dependencies: Verify that all dependencies between planning objects are correctly defined and that there are no missing links.
  Adjust Time Settings: Review and adjust any time settings related to lead times, processing times, and transportation times to ensure they are realistic and correctly configured.
  Run Consistency Checks: Use SAP tools to run consistency checks on the planning data to identify and resolve any discrepancies.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/MC62 (for checking planning books) or /SAPAPO/DP (for demand planning) to analyze the planning data.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  Documentation: Refer to SAP documentation for APO to understand the configuration and settings related to date calculations and planning.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.