How To Fix UMG126 - Language could not be mapped to a code page.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 126

• Message text: Language could not be mapped to a code page.

What causes this issue?

The initialization of the SPUMG Language List failed because a language
could not be mapped to a code page. This is likely because a language is
not configured properly.

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?

Find out the affected language
Execute report RSCPINST or RSCP0018 and check for any problems reported
there.
Check for the correct the language <-> code page mapping in table TCP0C
Sometimes a language is defined as logon language (profile parameter
zcsa/installed_languages) but the correct code page assignment is
missing in table TCP0C.
If you cannot find a problem in the I18n system configuration you can
call the function module "SCP_CODEPAGE_FOR_LANGUAGE" for all configured
languages (content of table TCP0I, record NAME = 'processed_languages',
ACTIVE = 'X') in transaction SE37. The exporting parameter CODEPAGE will
be empty for languages for which cannot be assigned a code page. Provide
the correct language-code page mapping for these languages.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.