Dear All,
I am still new on AX POS development, so i need some help, i try to customize some form, FrmNewCustomer by adding field, but when i open the FrmNewCustomer design from Customer service - SDK Plug- in.
it show some warning,

I already purchase subscription and install devExpress. .
And also another errors also show up.
Could not find type 'Microsoft.Dynamics.Retail.Pos.Customer.ViewModels.CustomerViewModel'. Please make sure that the assembly that contains this type is referenced. If this type is a part of your development project, make sure that the project has been successfully built using settings for your current platform or Any CPU.
Could not find type 'Microsoft.Dynamics.Retail.Pos.Customer.WinFormsTouch.ViewAddressUserControl'. Please make sure that the assembly that contains this type is referenced. If this type is a part of your development project, make sure that the project has been successfully built using settings for your current platform or Any CPU.
I try to find dll for the reference but couldn't found it.