6399 Cannot update the latest version
Cause
This error occurs if you attempt to add a TranslatableString to the latest schema version or an attempt to update a translatable string within the latest schema version (for example, by running the addCompileTranslatableString method of the Schema class or the updateCompile method of the TranslatableString class.
Action
Do not attempt to add or update a TranslatableString in the latest schema version.
