How To Fix /SAPAPO/ATP202 - Unit conversion from '&1' '&2' into '&3' '&4' is not possible

/SAPAPO/ATP202 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 202

• Message text: Unit conversion from '&1' '&2' into '&3' '&4' is not 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 /SAPAPO/ATP202 - Unit conversion from '&1' '&2' into '&3' '&4' is not possible ?

  The SAP error message /SAPAPO/ATP202 indicates that there is an issue with unit conversion in the Advanced Planning and Optimization (APO) module, specifically during the Available-to-Promise (ATP) check. The error message typically states that a conversion from one unit of measure (UoM) to another is not possible.
  
  Cause:
  
  Incompatible Units: The units of measure involved in the conversion are not compatible. For example, trying to convert between units that do not have a defined conversion factor in the system.
  Missing Conversion Factors: The necessary conversion factors between the units are not defined in the system. This can happen if the units are custom or not properly configured.
  
  Configuration Issues: There may be issues in the configuration of the material master or the unit of measure settings in the system.
  Data Inconsistencies: There could be inconsistencies in the data related to the material, such as incorrect unit definitions or missing data in the material master.
  
  
  Solution:
  
  
  Check Unit