invoke sql command is not working it throws a below error can some one help me with it
invoke-sqlcmd : The term 'invoke-sqlcmd' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At D:\Process\VeevaNetwork\Code\HCP_HCO_External_ID_Network_Updates.ps1:7 char:9 + $result=invoke-sqlcmd -inputFile "D:\Process\VeevaNetwork\cfg\SQL Scr ... + ~~~~~~~~~~~~~ + CategoryInfo : ObjectNotFound: (invoke-sqlcmd:String) [], CommandNotFoundException + FullyQualifiedErrorId : CommandNotFoundException
invoke-sqlcmd : The term 'invoke-sqlcmd' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At D:\Process\VeevaNetwork\Code\HCP_HCO_External_ID_Network_Updates.ps1:8 char:10 + $result1=invoke-sqlcmd -inputFile "D:\Process\VeevaNetwork\cfg\SQL Sc ... + ~~~~~~~~~~~~~ + CategoryInfo : ObjectNotFound: (invoke-sqlcmd:String) [], CommandNotFoundException + FullyQualifiedErrorId : CommandNotFoundException
Export-Csv : Cannot bind argument to parameter 'InputObject' because it is null. At D:\Process\VeevaNetwork\Code\HCP_HCO_External_ID_Network_Updates.ps1:9 char:10 + $result |export-csv "D:\Process\VeevaNetwork\Out\HCP_EXTID_Update_Adh ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidData: (:) [Export-Csv], ParameterBindingValidationException + FullyQualifiedErrorId : ParameterArgumentValidationErrorNullNotAllowed,Microsoft.PowerShell.Commands.ExportCsvCommand
Export-Csv : Cannot bind argument to parameter 'InputObject' because it is null. At D:\Process\VeevaNetwork\Code\HCP_HCO_External_ID_Network_Updates.ps1:10 char:11 + $result1 |export-csv "D:\Process\VeevaNetwork\Out\HCO_EXTID_Update_Ad ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidData: (:) [Export-Csv], ParameterBindingValidationException + FullyQualifiedErrorId : ParameterArgumentValidationErrorNullNotAllowed,Microsoft.PowerShell.Commands.ExportCsvCommand