Title: PHP Fatal error: Uncaught Error: Class “MO_Oauth_Debug” not found Last modified: August 11, 2025 --- # PHP Fatal error: Uncaught Error: Class “MO_Oauth_Debug” not found * Resolved [fsimmons](https://wordpress.org/support/users/fsimmons/) * (@fsimmons) * [10 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-class-mo_oauth_debug-not-found/) * [proxy_fcgi:error [pid 731085:tid 731492 [client 24.35.9.247:0 AH01071: Got error‘ PHP message: PHP Fatal error: Uncaught Error: Class “MO_Oauth_Debug” not found in /mnt/BLOCKSTORAGE/home/1196690.cloudwaysapps.co…………ORAGE/home/1196690.cloudwaysapps. com/ffqukpyrwv/public_html/wp-content/plugins/miniorange-oauth-oidc-single-sign- on/classes/common/Widget/class-loginhandler.php(36): MoOauthClient\\Premium\\ LoginHandler->mo_oa… * Here’s what debug log says: * [2025-08-11 14:40:53 UTC] : Grant: Authorization Code Grant [2025-08-11 14:40: 53 UTC] : state parameter not sent[2025-08-11 14:40:53 UTC] : Authorizaion Endpoint => [https://members.[website].org/Web/wp-sign-in?client_id=WP_SSO&scope=public_profile](https://members.[website].org/Web/wp-sign-in?client_id=WP_SSO&scope=public_profile) email&redirect_uri=https%3A%2F%2Fpshra.org%2F&response_type=code Viewing 3 replies - 1 through 3 (of 3 total) * Thread Starter [fsimmons](https://wordpress.org/support/users/fsimmons/) * (@fsimmons) * [10 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-class-mo_oauth_debug-not-found/#post-18594257) * Looks like update from miniorange-oauth-oidc-single-sign-on (28.5.2 -> 28.5.6) broke things for us. * [teamwpminiorange](https://wordpress.org/support/users/teamwpminiorange/) * (@teamwpminiorange) * [10 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-class-mo_oauth_debug-not-found/#post-18594969) * Hello [@fsimmons](https://wordpress.org/support/users/fsimmons/) * Apologies for the inconvenience caused to you. * There was an issue in the iMIS login flow, which our team has now resolved. It seems you reached out to us via our support email, and we have already provided you with the fixed plugin. Please let us know if you have installed the plugin and if it is working as expected for you. * In case you need any further assistance, please feel free to let us know, we’ll be happy to help you. * Thank you Team miniOrange * [teamwpminiorange](https://wordpress.org/support/users/teamwpminiorange/) * (@teamwpminiorange) * [9 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-class-mo_oauth_debug-not-found/#post-18639777) * Hello [@fsimmons](https://wordpress.org/support/users/fsimmons/) , * We have not heard back from you in a while and assuming that my previous response answered your questions and hence marking this thread as resolved. * You can contact us anytime again if need help by posting again on this forum. * Thank you Team miniOrange Viewing 3 replies - 1 through 3 (of 3 total) The topic ‘PHP Fatal error: Uncaught Error: Class “MO_Oauth_Debug” not found’ is closed to new replies. * ![](https://ps.w.org/miniorange-login-with-eve-online-google-facebook/assets/ icon-128x128.png?rev=3419722) * [OAuth Single Sign On - SSO (OAuth Client)](https://wordpress.org/plugins/miniorange-login-with-eve-online-google-facebook/) * [Frequently Asked Questions](https://wordpress.org/plugins/miniorange-login-with-eve-online-google-facebook/#faq) * [Support Threads](https://wordpress.org/support/plugin/miniorange-login-with-eve-online-google-facebook/) * [Active Topics](https://wordpress.org/support/plugin/miniorange-login-with-eve-online-google-facebook/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/miniorange-login-with-eve-online-google-facebook/unresolved/) * [Reviews](https://wordpress.org/support/plugin/miniorange-login-with-eve-online-google-facebook/reviews/) * 3 replies * 2 participants * Last reply from: [teamwpminiorange](https://wordpress.org/support/users/teamwpminiorange/) * Last activity: [9 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-class-mo_oauth_debug-not-found/#post-18639777) * Status: resolved