Error: "Error reading file ... CDX file" given when using SIMS

Error: "Error reading file ... CDX file" given when using SIMS

Problem

Error: "Error reading file ... CDX file" given when using SIMS. The error would quote a file with the extension '.cdx'.



Environment

  1. SIMS

Solution

  1. A restart of SIMS and PC will generally resolve this error.
  2. If you are using Wi-Fi, switch to a wired connection.

Cause

This is generally caused by poor internet/LAN connection and/or intermittent network disconnections. 
Important: if this error is happening on all PC's AND using a remote connection, please contact your IT team. It is likely that a restart of the remote app connection is needed.