There seems to be an error in the admin2codes.txt file
Line 44806
ict Gokwe North District 890981
That line in context
ZW.06.10800412 Umguza District Umguza District 10800412
ZW.01.11204515 Mossurize District Mossurize District 11204515
ict Gokwe North District 890981
ZW.03.892597 Mount Darwin Mount Darwin 892597
ZW.08.893171 Chivi District Chivi District 893171