VNC is not working in WHMCS Client Area with Pre-paid SolusVM 2 module: only white page is shown with CTRL-ALT-DELETE

Symptoms

VNC is not working in WHMCS Client Area with Pre-paid SolusVM 2 module: only white page is shown with CTRL-ALT-DELETE

WHMCS is installed in subdirectory

SVM_ERROR: GET https://hostname/modules/servers/solusvm2vps/node_modules/@novnc/novnc/core/rfb.js net::ERR_ABORTED 404

Cause

Module bug SIO-5057 (SVM2-4343)

Resolution

1. Open the file:
   

   # vi {WHMCS_ROOT}/billing/modules/servers/solusvm2vps/solusvm2vps.php

2. Replace .. with . on 1313 line, so it will look like:
   

   import RFB from './modules/servers/solusvm2vps/node_modules/@novnc/novnc/core/rfb.js';