Why does php_sdk_example return code 210 PARAM_APPLICATION_DISABLED?

Question

Classmates

Array ( [error_code] => 210 [error_msg] => PARAM_APPLICATION_DISABLED : Application is disabled [error_data] => ) I
looked in the application settings, I did not find any checkbox to enable the application.

Answer 1

Usually it is enough to change the status from "Inaccessible" to "Public".