Microsoft.Dynamics.Ax.Xpp.InvalidRemoteCallException’ was thrown

Problem: While working on Files using WinAPI got the below error.

Microsoft.Dynamics.Ax.Xpp.InvalidRemoteCallException’ was thrown

Solution:

Change WinAPI to WinAPIServer

Example:

WINAPI::fileExists(fileName) to WINAPIServer::fileExists(fileName)

WINAPI::deleteFile(filename) to WINAPIServer::deleteFile(filename)