How To Fix VMP_MSG155 - Action cannot be performed; material exists as visual assembly

VMP_MSG155 - Overview

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 155

• Message text: Action cannot be performed; material exists as visual assembly

Self-Explanatory Message

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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.

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VMP_MSG155 - Details

• The SAP error message VMP_MSG155 indicates that an action cannot be performed because the material in question exists as a visual assembly. This typically occurs in the context of SAP's Variant Configuration (VC) or when dealing with configurable materials.
  
  Cause:
  The error arises when you attempt to perform an action (such as changing, deleting, or processing) on a material that is part of a visual assembly. Visual assemblies are used in SAP to represent complex products that can be configured in various ways, and they often have dependencies and relationships with other components.
  Common Scenarios Leading to the Error:
  
  Attempting to Change a Configurable Material: You may be trying to change a material that is currently being used in a visual assembly.
  Deleting a Material: If you attempt to delete a material that is part of a visual assembly, the system will prevent this action to maintain data integrity.
  Processing Issues: Certain processing actions may be