How To Fix MG256 - Transaction &: forecast values/model parameters skipped

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 256

• Message text: Transaction &: forecast values/model parameters skipped

What causes this issue?

The forecasting view is no longer active, which is why the forecast
values and model parameters cannot be called up.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MG256 - Transaction &: forecast values/model parameters skipped ?

  The SAP error message MG256, which states "Transaction &: forecast values/model parameters skipped," typically occurs in the context of demand planning or forecasting within the SAP system. This error indicates that certain forecast values or model parameters were not processed during a forecasting run, which can lead to incomplete or inaccurate forecasting results.
  Causes:
  
  Missing Data: The forecast values or model parameters required for the transaction may be missing or not properly defined in the system.
  Incorrect Configuration: The forecasting model or parameters may not be correctly configured, leading to the system skipping certain values.
  Data Quality Issues: Poor data quality, such as incorrect or inconsistent historical data, can cause the forecasting process to skip certain entries.
  Model Parameters Not Set: If the model parameters for the forecasting method are not set or are set incorrectly, the system may skip processing those entries.
  Selection Criteria: The selection criteria used for the forecasting run may exclude certain data, leading to skipped values.
  
  Solutions:
  
  Check Data Completeness: Ensure that all necessary historical data and parameters are available and correctly entered in the system.
  Review Configuration: Verify the configuration of the forecasting model and parameters. Make sure that they are set up correctly according to the business requirements.
  Data Quality Checks: Conduct data quality checks to identify and rectify any inconsistencies or errors in the historical data.
  Adjust Selection Criteria: Review and adjust the selection criteria used in the forecasting run to ensure that all relevant data is included.
  Run Forecasting in Debug Mode: If possible, run the forecasting process in debug mode to identify the specific reasons why certain values are being skipped.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the forecasting model being used and any known issues related to it.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/MC90 for demand planning or /SAPAPO/DP for demand planning workbench.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message MG256.
  User Forums: Engage with SAP community forums or user groups to see if others have encountered similar issues and what solutions they found effective.
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on forecasting and demand planning processes.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the MG256 error and ensure that your forecasting process runs smoothly.