How To Fix AH887 - Device &1 register &2: not possible to convert &3 to &4

AH887 - Overview

• Message type: E = Error

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

• Message number: 887

• Message text: Device &1 register &2: not possible to convert &3 to &4

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 = &V3&
UNIT_OUT = &V4&
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 AH887 - Device &1 register &2: not possible to convert &3 to &4 ?

  The SAP error message AH887 typically indicates an issue related to device registration and conversion of data types. This error can occur in various contexts, such as when dealing with output devices, spool requests, or data conversion processes in SAP.
  
  Cause:
  The error message AH887 occurs when there is an attempt to convert a data type that is not compatible with the expected type. The placeholders in the message (&1, &2, &3, &4) represent specific details about the device, the register, and the data types involved. Common causes include:
  
  Incompatible Data Types: The system is trying to convert a data type (e.g., string, integer) that does not match the expected type.
  
  Configuration Issues: There may be misconfigurations in the device settings or in the way the data is being processed.
  Missing or Incorrect Device Definitions: The output device may not be properly defined in the SAP system.
  Programming Errors: Custom code or enhancements may be attempting