How To Fix ATP_SE042 - Unit of measure conversion not possible: &1 (only ISO codes possible)

ATP_SE042 - Overview

• Message type: E = Error

• Message class: ATP_SE - Message class for ATP-Services

• Message number: 042

• Message text: Unit of measure conversion not possible: &1 (only ISO codes possible)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ATP_SE042 - Unit of measure conversion not possible: &1 (only ISO codes possible) ?

  The SAP error message ATP_SE042 indicates that there is an issue with unit of measure (UoM) conversion in the system. Specifically, it states that the conversion is not possible for the specified unit of measure (denoted as &1) and that only ISO codes are acceptable for this conversion.
  
  Cause:
  
  Non-ISO Unit of Measure: The unit of measure being used is not an ISO standard code. SAP requires that units of measure used in certain contexts (like ATP - Available to Promise) conform to ISO standards.
  
  Configuration Issues: There may be a configuration issue in the material master or in the settings for the specific transaction or module you are using.
  Missing Conversion Factors: The system may not have the necessary conversion factors defined for the units of measure involved.
  Data Entry Errors: There could be a typo or incorrect entry in the unit of measure field.
  
  
  Solution:
  
  Check Unit of Measure: Verify that the unit of measure