How To Fix MQ100 - Runtime forecast & already exists in phase &

SAP Error Message - Details

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 100

• Message text: Runtime forecast & already exists in phase &

What causes this issue?

The forecast is to be started. A runtime forecast package already
exists.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

You can continue the forecast using the existing package or create a
new package.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MQ100 - Runtime forecast & already exists in phase & ?

  The SAP error message "MQ100 Runtime forecast & already exists in phase &" typically occurs in the context of SAP's Advanced Planning and Optimization (APO) module, particularly when dealing with forecasting and planning processes. This error indicates that there is an attempt to create or update a forecast that already exists for a specific phase in the planning process.
  Cause:
  
  Duplicate Forecast Entry: The error is primarily caused by an attempt to create a forecast entry that already exists in the system for the specified planning phase.
  Incorrect Data Input: There may be an issue with the data being inputted, such as incorrect parameters or settings that lead to the creation of a duplicate forecast.
  System Configuration: The configuration settings in the APO system may not be set up correctly, leading to conflicts when trying to create or update forecasts.
  
  Solution:
  
  Check Existing Forecasts: Review the existing forecasts in the system for the specified phase. You can do this by navigating to the relevant forecasting transaction in SAP and checking if a forecast already exists for the given parameters.
  Modify or Delete Existing Forecast: If a forecast already exists and you need to create a new one, consider modifying or deleting the existing forecast entry if it is no longer needed.
  Adjust Input Parameters: Ensure that the input parameters for the forecast creation process are correct and do not lead to duplication. This may involve checking the planning version, time period, and other relevant settings.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling forecasts in your version of SAP APO.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration and version.
  
  Related Information:
  
  SAP APO Documentation: Review the official SAP documentation for Advanced Planning and Optimization to understand the forecasting process and how to manage forecasts effectively.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO, such as /SAPAPO/MC90 for forecast management.
  User Forums and Communities: Engage with SAP user communities and forums where you can find discussions and solutions related to similar issues.
  
  By following these steps, you should be able to address the "MQ100 Runtime forecast & already exists in phase &" error effectively.