How To Fix MPE_INSTALLATION_MSG045 - Parameter effectivity required by material but not defined in network

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_INSTALLATION_MSG -

• Message number: 045

• Message text: Parameter effectivity required by material but not defined in network

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_INSTALLATION_MSG045 - Parameter effectivity required by material but not defined in network ?

  The SAP error message MPE_INSTALLATION_MSG045 indicates that a parameter effectivity is required for a material in a network, but it has not been defined. This typically occurs in the context of SAP's Project System (PS) or in scenarios involving production planning and control where materials are linked to specific parameters or configurations.
  Cause:
  
  Missing Parameter Effectivity: The material in question is expected to have a defined parameter effectivity, which specifies the conditions under which certain parameters are valid. If this is not set up correctly, the system will throw this error.
  Network Configuration: The network or project structure may not have the necessary configuration to support the material's requirements.
  Material Master Data: The material master data may be incomplete or incorrectly configured, lacking the necessary effectivity parameters.
  
  Solution:
  
  
  Define Parameter Effectivity:
  
  Go to the material master data for the affected material.
  Navigate to the relevant views (e.g., Basic Data, MRP, or Sales views) and ensure that the parameter effectivity is defined.
  If you are using variant configuration, ensure that the configuration profiles and dependencies are correctly set up.
  
  
  
  Check Network and Activity Settings:
  
  Review the network and the activities associated with it. Ensure that the activities are correctly linked to the materials and that the required parameters are defined in the network.
  If necessary, adjust the network settings to include the required parameter effectivity.
  
  
  
  Review Project Structure:
  
  Ensure that the project structure is correctly set up to accommodate the materials and their parameter requirements. This may involve checking the project definition and the associated WBS elements.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on setting up parameter effectivity for your version of SAP.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration by attempting to execute the transaction that previously resulted in the error.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as MM02 (Change Material), CJ20N (Project Builder), or C223 (Maintain Material Assignment) to make the necessary changes.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on parameter effectivity.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to material master data and project structures.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.