How To Fix MPE_CM_EFFECTIVITY078 - BOM item quantity for material &1 must be 1

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_CM_EFFECTIVITY - Message Class for Parameter Effectivity

• Message number: 078

• Message text: BOM item quantity for material &1 must be 1

What causes this issue?

BOM item quantity for material &V1& must be 1 because it is
of Complex Assembly Type Installation Kit.

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

System Response

If the material type of material is identified as Installation Kit
then the quantity of such BOM item should always be 1 because
Installation Kit with multiple quantity is not supported.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_CM_EFFECTIVITY078 - BOM item quantity for material &1 must be 1 ?

  The SAP error message MPE_CM_EFFECTIVITY078 indicates that there is an issue with the Bill of Materials (BOM) item quantity for a specific material. The error message states that the quantity for the BOM item must be set to 1. This typically occurs in the context of configuration or variant BOMs, where the system expects a specific quantity for the components.
  
  Cause:
  
  Incorrect BOM Configuration: The BOM item for the material is configured with a quantity other than 1, which is not allowed in certain contexts, especially for configurable materials.
  Material Master Settings: The material master settings may not be aligned with the requirements for the BOM, leading to discrepancies.
  Variant Configuration: If the material is part of a variant configuration, the system may require that the quantity of components in the BOM be set to 1 to ensure proper configuration.
  
  
  Solution:
  
  
  Check BOM Configuration:
  
  Go to the BOM transaction (CS02) and check the BOM for the material