Also, here is an example of the errors in the web browser javascript console when I use version 49
[Error] Failed to load resource: Origin null is not allowed by Access-Control-Allow-Origin. (tq, line 0)
[Error] Origin null is not allowed by Access-Control-Allow-Origin.
[Error] Failed to load resource: Origin null is not allowed by Access-Control-Allow-Origin. (tq, line 0)
(anonymous function) (jsapi_compiled_default_module.js:251:543)
(anonymous function) (jsapi_compiled_default_module.js:251:543)
[Error] Origin null is not allowed by Access-Control-Allow-Origin.
[Error] Failed to load resource: Origin null is not allowed by Access-Control-Allow-Origin. (tq, line 0)
(anonymous function) (jsapi_compiled_default_module.js:251:543)
[Error] Origin null is not allowed by Access-Control-Allow-Origin.
thanks
Hartmut