Widget does not show on website: Content Security Policy directive: frame-src 'self' error

Symptoms

• Widget does not show up on the website.
• The widget code can be found on the source-code of the web browser:
  The following error is displayed on the web browser console:
  Error: Content Security Policy directive: frame-src 'self'error

Cause

Strict security protocols in the web server configuration.

Resolution

Contact the web server provider and request to whitelist the wildcard domain *.userway.org on Content Security Policy directive rules.