See article in Anveo Mobile App:
The zip file(s) of Anveo Web Portal sources weren't unblocked before unzipping. This is a security feature of some Windows operating systems that prevent downloaded files from execution.
The error message might look like this:
This message is for C/AL programmers:The call to member SetSX4000V3 failed. System.Web.Services returned the following message:System.Web.Services.Protocols.SoapException: Server was unable to read request. ---> System.InvalidOperationException: There is an error in XML document (1, 222). ---> System.TypeInitializationException: The type initializer for '<Module>' threw an exception. ---> System.Security.SecurityException: System.Security.Permissions.SecurityPermission
The type of the first permission that failed was:
Open file properties of your zip file and press unblock: