How To Fix MM101 - Not possible to carry out conversion

MM101 - Overview

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 101

• Message text: Not possible to carry out conversion

What causes this issue?

The system cannot carry out the conversion required because the
alternative unit of measure you have entered cannot be converted to the
base unit of measure.

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?

Specify the conversion factors for the alternative unit of measure in
the corresponding material master record.

Error message extract from SAP system. Copyright SAP SE.

MM101 - Details

• The SAP error message MM101: Not possible to carry out conversion typically occurs in the Materials Management (MM) module when there is an issue with the conversion of materials or when trying to perform a specific action related to material master data. This error can arise in various scenarios, such as during the creation or modification of material master records, especially when dealing with different units of measure or material types.
  Causes of MM101 Error
  
  Incorrect Material Type: The material type may not be compatible with the operation you are trying to perform.
  Missing Data: Required fields in the material master record may be incomplete or missing.
  Unit of Measure Issues: There may be inconsistencies or errors in the unit of measure settings for the material.
  
  Configuration Issues: The configuration settings in the system may not allow for the conversion you are attempting.
  Authorization Issues: The user may not have the necessary authorizations to perform the