How To Fix UMG218 - Fallback Code Page &1 not allowed.

SAP Error Message - Details

• Message type: E = Error

• Message class: UMG - Message Class for the Unicode Migration Tool.

• Message number: 218

• Message text: Fallback Code Page &1 not allowed.

What causes this issue?

You tried to change the "Fallback Codepage" but the system did not
accept your choice.

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?

A code page used for the Unicode conversion has to comply the following
rules:
It must be included in the SAP code page catatog (table TCP00)
It must be round-trip compatible (use report RSCP0125 to check a code
page for its round-trip compatibility)
The code pages 6100, 6200, 6300, 6500 must no be used
For Single Code Page Systems using code page 1100: the code page 1100
can be replaced only with code page 1160
For Single Code Page Systems using code page 6300: the code page has to
be replaced with code page 6301

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UMG218 - Fallback Code Page &1 not allowed. ?

  The SAP error message UMG218 "Fallback Code Page &1 not allowed" typically occurs in the context of character encoding and data transfer between different systems or environments. This error indicates that the specified fallback code page is not permitted for the operation being performed.
  Cause:
  
  Invalid Code Page: The code page specified in the error message is not recognized or is not allowed in the current configuration of the SAP system.
  Configuration Issues: The system may not be properly configured to handle the specified code page, which can happen if the code page is not supported by the SAP kernel or if there are inconsistencies in the system settings.
  Data Transfer Issues: This error can also arise during data transfer processes, such as when importing or exporting data between systems that use different character encodings.
  
  Solution:
  
  
  Check Code Page Configuration:
  
  Verify the code page settings in your SAP system. You can do this by checking the transaction RZ10 for profile parameters related to code pages.
  Ensure that the code page you are trying to use is supported and correctly configured in the system.
  
  
  
  Use Supported Code Pages:
  
  If you are trying to use a specific code page that is not allowed, consider switching to a supported code page. You can find a list of supported code pages in the SAP documentation or by consulting with your SAP Basis team.
  
  
  
  Adjust Data Transfer Settings:
  
  If the error occurs during data transfer, ensure that both the source and target systems are using compatible code pages. You may need to adjust the settings in the data transfer tool or method you are using.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to code page handling.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with the details of the error and the context in which it occurs.
  
  
  
  Related Information:
  
  Code Pages: A code page is a character encoding system that defines how characters are represented in bytes. Different systems may use different code pages, which can lead to compatibility issues.
  SAP Documentation: Refer to the official SAP documentation for more information on character encoding and code page settings.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RZ10 (for profile parameters) and SU01 (for user settings) that may help in troubleshooting.
  
  By following these steps, you should be able to identify the cause of the UMG218 error and implement a solution to resolve it.