FATAL ERROR WHILE ACTIVATING PLUGIN

I tried installing WP OAuth Server – CE

Full OAuth2 Server for WordPress. User Authorization Management Systems For WordPress.

Version 4.3.2 | By WP OAuth Server |

over wordpress, but I am facing an error like:

Warning: Undefined variable $res in C:\xampp\htdocs\codeanddesign\wp-content\plugins\oauth2-provider\includes\functions.php on line 388

Fatal error: Uncaught TypeError: openssl_pkey_get_details(): Argument #1 ($key) must be of type OpenSSLAsymmetricKey, null given in C:\xampp\htdocs\codeanddesign\wp-content\plugins\oauth2-provider\includes\functions.php:388 Stack trace: #0 C:\xampp\htdocs\codeanddesign\wp-content\plugins\oauth2-provider\includes\functions.php(388): openssl_pkey_get_details(NULL) #1 C:\xampp\htdocs\codeanddesign\wp-content\plugins\oauth2-provider\wp-oauth-main.php(344): wp_oauth_generate_server_keys() #2 C:\xampp\htdocs\codeanddesign\wp-content\plugins\oauth2-provider\wp-oauth-main.php(229): WO_Server->install() #3 C:\xampp\htdocs\codeanddesign\wp-includes\class-wp-hook.php(308): WO_Server->setup(”) #4 C:\xampp\htdocs\codeanddesign\wp-includes\class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #5 C:\xampp\htdocs\codeanddesign\wp-includes\plugin.php(517): WP_Hook->do_action(Array) #6 C:\xampp\htdocs\codeanddesign\wp-admin\plugins.php(194): do_action(‘activate_oauth2…’) #7 {main} thrown in C:\xampp\htdocs\codeanddesign\wp-content\plugins\oauth2-provider\includes\functions.php on line 388

• This topic was modified 3 years, 1 month ago by Jan Dembowski.