How To Fix /SAPAPO/RSP756 - Error occurred when lead time for manufacturing completion was determined

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP -

• Message number: 756

• Message text: Error occurred when lead time for manufacturing completion was determined

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/RSP756 - Error occurred when lead time for manufacturing completion was determined ?

  The SAP error message /SAPAPO/RSP756 indicates that there was an issue when determining the lead time for manufacturing completion in the Advanced Planning and Optimization (APO) module. This error can arise due to various reasons related to master data, configuration, or system settings. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  
  Missing or Incorrect Master Data:
  
  The material master data may be incomplete or incorrectly maintained, particularly in the areas related to production lead times, routing, or work centers.
  The production version may not be defined for the material.
  
  
  
  Routing Issues:
  
  The routing for the material may be missing or not properly configured, leading to an inability to calculate lead times.
  
  
  
  Work Center Configuration:
  
  The work center may not be set up correctly, or it may not have the necessary capacity or scheduling parameters defined.
  
  
  
  Planning Version Issues:
  
  The planning version being used may not be correctly set up or may not have the necessary data.
  
  
  
  Data Consistency Issues:
  
  There may be inconsistencies in the data between the APO and the ERP system, especially if there have been recent changes or updates.
  
  
  
  Solutions:
  
  
  Check Master Data:
  
  Verify that the material master data is complete and accurate. Ensure that all relevant fields, especially those related to lead times and production, are filled out correctly.
  
  
  
  Review Routing:
  
  Ensure that the routing for the material is defined and that it includes all necessary operations and times. Check if the routing is assigned to the correct production version.
  
  
  
  Validate Work Center Settings:
  
  Check the configuration of the work center to ensure it has the correct parameters set for lead time calculation. This includes checking capacity, scheduling, and any relevant formulas.
  
  
  
  Examine Planning Version:
  
  Make sure that the planning version being used is correctly set up and that it contains all necessary data for the materials being planned.
  
  
  
  Data Synchronization:
  
  If there have been recent changes in the ERP system, ensure that the data has been properly synchronized with the APO system. You may need to run data transfer jobs or check for any errors in the data transfer process.
  
  
  
  Check for Notes and Patches:
  
  Look for any SAP Notes or patches that may address known issues related to this error. Sometimes, specific bugs or issues are documented by SAP, and applying a patch can resolve the problem.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/MC62 (to check the planning version) or /SAPAPO/RSP1 (to analyze the planning run) to gather more information about the planning process and data.
  SAP Help Documentation: Refer to the official SAP documentation for APO to understand the configuration and setup requirements for lead time calculations.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP APO for further assistance.