How To Fix O3038 - Quantity Conversion Interface: Error in external function/customer module

O3038 - Overview

• Message type: E = Error

• Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

• Message number: 038

• Message text: Quantity Conversion Interface: Error in external function/customer module

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 O3038 - Quantity Conversion Interface: Error in external function/customer module ?

  The SAP error message O3038, which states "Quantity Conversion Interface: Error in external function/customer module," typically occurs when there is an issue with the quantity conversion process in SAP. This error can arise due to various reasons, including configuration issues, problems with the external function or module being called, or data inconsistencies.
  Causes:
  
  
  Configuration Issues: The quantity conversion settings in the system may not be correctly configured. This includes the conversion factors or the units of measure.
  External Function Errors: If the system is calling an external function or customer module for quantity conversion, there may be an error in that function or module.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as invalid units of measure or incorrect quantity values.
  Authorization Issues: The user may not have the necessary authorizations to execute the function or access the required data.
  System Bugs: There could be bugs in the SAP system or the