How To Fix AH886 - Not possible to convert unit of measurement &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 886

• Message text: Not possible to convert unit of measurement &1 to &2

What causes this issue?

Conversion of the measurement units is not possible. Due to technical
reasons, the error cannot be analyzed in dialog mode.

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?

If you are unable to localize the error directly, call the function
module CONVERSION_FACTOR_GET in the test environment (Transaction
<DS:TRAN.SE37>SE37</>) using the following parameters:
UNIT_IN = &V1&
UNIT_OUT = &V2&
This provides you with a more detailed analysis of the error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH886 - Not possible to convert unit of measurement &1 to &2 ?

  The SAP error message AH886 indicates that there is an issue with converting a unit of measurement (UoM) from one type to another. This typically occurs in scenarios where a conversion is attempted between incompatible units, or when the system cannot find a valid conversion factor for the specified units.
  Cause:
  
  Incompatible Units: The source and target units of measurement are not compatible. For example, trying to convert between mass and volume without a defined relationship (like converting kilograms to liters without knowing the density).
  Missing Conversion Factors: The conversion factors between the specified units are not defined in the system.
  Incorrect Unit Configuration: The units may not be properly configured in the SAP system, leading to issues during conversion.
  Data Entry Errors: There may be a typo or incorrect entry in the unit of measurement fields.
  
  Solution:
  
  Check Unit Compatibility: Ensure that the units you are trying to convert are compatible. For example, you cannot convert meters directly to kilograms.
  Define Conversion Factors: If the units are compatible but the conversion factor is missing, you need to define the conversion factor in the SAP system. This can typically be done in the configuration settings for units of measurement.
  
  Navigate to SPRO ? Logistics General ? Material Master ? Basic Settings ? Define Units of Measure.
  
  
  Review Unit Configuration: Check the configuration of the units involved in the conversion. Ensure that they are set up correctly in the system.
  Correct Data Entry: Verify that the units of measurement entered in the transaction are correct and free of typos.
  Consult Documentation: If you are unsure about the units or their relationships, consult the relevant documentation or a subject matter expert.
  
  Related Information:
  
  Unit of Measurement (UoM): In SAP, UoMs are used to define how quantities are measured (e.g., pieces, kilograms, liters).
  Conversion Factors: These are defined relationships between different units of measurement, allowing for accurate conversions.
  Material Master: The material master record in SAP contains information about materials, including their units of measurement and conversion factors.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) to manage material data effectively.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues related to this error message.