View Source Cldr.UnknownNumberSystemError exception (Cldr v2.39.2)
Exception raised when an attempt is made to use a number system that is not known
in Cldr. Cldr.Number.number_system_names/0 returns the number system names known to Cldr.
Exception raised when an attempt is made to use a number system that is not known
in Cldr. Cldr.Number.number_system_names/0 returns the number system names known to Cldr.