How To Fix MG155 - The MRP type & requires forecasting data to be maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 155

• Message text: The MRP type & requires forecasting data to be maintained

What causes this issue?

You have used an <DS:GLOS.MRP_type>MRP type</> for which the
<LS>Forecast indicator</> has been set to <LS>Obligatory forecast</> in
Customizing for <LS>Consumption-Based Planning</> in <LS>Check MRP
types</>. This makes it mandatory to maintain forecasting data for the
material. However, you have not yet maintained this data.

System Response

You may not update the data for the material.

How to fix this error?

Maintain the data for the user department <LS>Forecasting</> for the
material concerned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MG155 - The MRP type & requires forecasting data to be maintained ?

  The SAP error message MG155 indicates that the Material Requirements Planning (MRP) type for a specific material requires forecasting data to be maintained, but it is currently missing. This error typically arises when the MRP type is set to a type that relies on forecast data, such as "PD" (Planning with Forecast) or "VB" (Forecast-based Planning), and the necessary forecast data has not been entered for the material.
  Cause:
  
  MRP Type Configuration: The material is assigned an MRP type that requires forecast data.
  Missing Forecast Data: The forecast data for the material has not been maintained in the system.
  Incorrect Material Master Settings: The material master record may not be properly configured to include forecasting information.
  
  Solution:
  To resolve the MG155 error, you can follow these steps:
  
  
  Check MRP Type:
  
  Go to the material master record (transaction code MM03).
  Check the MRP type assigned to the material in the MRP 1 view.
  
  
  
  Maintain Forecast Data:
  
  If the MRP type requires forecasting, you need to maintain the forecast data.
  Use transaction code MP30 (Maintain Forecast) to enter the required forecast data for the material.
  Ensure that the forecast data is entered for the relevant planning period.
  
  
  
  Review Material Master Settings:
  
  Ensure that the material master is correctly set up for forecasting.
  Check the settings in the MRP 2 and MRP 3 views to ensure they align with the requirements for forecasting.
  
  
  
  Change MRP Type (if necessary):
  
  If forecasting is not needed for this material, consider changing the MRP type to one that does not require forecast data (e.g., "PD" to "VB" or "ND" - No Planning).
  This can be done in the material master record.
  
  
  
  Run MRP:
  
  After maintaining the forecast data or changing the MRP type, run the MRP process again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  MP30: Maintain Forecast
  MD01: MRP Run
  
  
  MRP Types: Familiarize yourself with different MRP types and their requirements. Common MRP types include:
  
  PD: MRP with Forecast
  VB: Forecast-based Planning
  ND: No Planning
  
  
  Forecasting Methods: Understand the different forecasting methods available in SAP, such as moving average, exponential smoothing, etc.
  
  By following these steps, you should be able to resolve the MG155 error and ensure that your material is properly set up for MRP processing.