How To Fix L3634 - Error &1 occurred during call of FB UNIT_CONVERSION_SIMPLE

L3634 - Overview

• Message type: E = Error

• Message class: L3 -

• Message number: 634

• Message text: Error &1 occurred during call of FB UNIT_CONVERSION_SIMPLE

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message L3634 - Error &1 occurred during call of FB UNIT_CONVERSION_SIMPLE ?

  The SAP error message L3634, which states "Error &1 occurred during call of FB UNIT_CONVERSION_SIMPLE," typically arises during unit conversion processes in SAP, particularly when dealing with material management or logistics functions. This error indicates that there was an issue when the system attempted to convert one unit of measure to another using the function module UNIT_CONVERSION_SIMPLE.
  Causes:
  
  Invalid Unit of Measure: The unit of measure being used may not be defined in the system or may not be compatible with the conversion being attempted.
  Missing Conversion Factors: There may be no conversion factors defined between the units of measure involved in the conversion.
  Data Inconsistencies: There could be inconsistencies in the data, such as incorrect material master records or unit of measure settings.
  
  Configuration Issues: The configuration settings for units of measure in the system may not be set up correctly.
  Custom Code Issues: If there is custom code that calls this function module, there