SAP Message 00196 - No valid GUI codepage for language & (system codepage &)

Diagnosis
The system was unable to set a valid GUI codepage for the logonlanguage.

System Response
Conversion of characters between the system character set and thecharacter set of the end user device will not function correctly.Incorrect characters may be displayed. When characters are entered,invalid data may be saved to the database.

Procedure
Contact your system administrator.