Ax 2012 R2 to 2012 R3 Upgrade Error while opening Client

(C)\Classes\TaxModelDocLineVendPackingReturnImpl_IN\countryInfo

(C)\Classes\SysCountryRegionCode\getCountryRegionContextByName - line 61

Error executing code: TaxModelDocLineVendPackingReturnImpl_IN object does not have method 'countryInfo'.

Stack trace

(S)\Classes\TaxModelDocLineProjOnAccTransImpl_IN\isSetupMode

(S)\Classes\Application\isRunningMode - line 15

(C)\Classes\Global\isRunningMode - line 14

(C)\Classes\Docu\reSearch - line 41

(C)\Classes\Info\formNotify - line 8

Error executing code: TaxModelDocLineProjOnAccTransImpl_IN object does not have method 'isSetupMode'.

Stack trace

(S)\Classes\TaxModelDocLineProjOnAccTransImpl_IN\isSetupMode

(S)\Classes\Application\isRunningMode - line 15

(C)\Classes\Global\isRunningMode - line 14

(C)\Classes\Docu\reSearch - line 41

(C)\Classes\Info\formNotify - line 8

Error executing code: TaxValidateForFreeTextInvoices_CN Object does not have method 'newFormcache'

Error executing code: TaxModelDocLineVendPackingReturnImpl_IN object does not have method 'countryInfo'.

Stack trace

(C)\Classes\TaxModelDocLineVendPackingReturnImpl_IN\countryInfo

(C)\Classes\SysCountryRegionCode\getCountryRegionContextByName - line 61

Error executing code: TaxValidateForSalesOrder_CN object does not have method 'isInstallMode'.

Stack trace

(S)\Classes\TaxValidateForSalesOrder_CN\isInstallMode

(S)\Classes\SysCheckList_SetupPartition\isSetupMode - line 12

(S)\Classes\Application\isRunningMode - line 15

(C)\Classes\Global\isRunningMode - line 14

(C)\Classes\Docu\reSearch - line 41

(C)\Classes\Info\formNotify - line 8

TaxModelDocLineVendPackingReturnImpl_IN object does not have method 'countryInfo'.