P:\My : The term 'P:\My' is not recognized as the name of a cmdlet,...

Error

Calling following gives the below error message.

powershell P:\My Roaming Documents\create_db_patch_deployment_package.ps1

P:\My : The term 'P:\My' is not recognized as the name of a cmdlet,...

Solution

Use call

powershell -File "P:\My Roaming Documents\create_db_patch_deployment_package.ps1"