# Rich LTI stopped functioning with D2L Error 2207 **URL:** \ **Category:** API and Webhooks\ **Created:** [September 29, 2022, 7:18pm UTC](https://devforum.zoom.us/t/rich-lti-stopped-functioning-with-d2l-error-2207/76722 "2022-09-29T19:18:29Z")\ **Posts on this page:** 1\ **Showing post:** 13
**Author:** ![ricoe](https://avatars.discourse-cdn.com/v4/letter/r/87869e/32.png) [@ricoe](https://devforum.zoom.us/u/ricoe)\ **Post date:** [January 23, 2023, 10:10am UTC](https://devforum.zoom.us/t/rich-lti-stopped-functioning-with-d2l-error-2207/76722/13 "2023-01-23T10:10:27Z")
seems to be connected to the following topic: > [@Pro LTI stopped functioning with LTI Moodle Error 2207](https://devforum.zoom.us/t/pro-lti-stopped-functioning-with-lti-moodle-error-2207/81906/2): > > We do experience the same issue with our integrations - but only some of them are affected. It seems to be a problem in the REST API oauth authentication, which is used by the Zoom LTI Pro App by itself. We have ran across the status site of zoom: “A subset of users not able to use oauth for authentication. - Our monitoring has detected service degradation where Zoom’s Rest API mentioned below is impacted. Our engineers are currently investigating the impact and root cause. Zoom will provid… --- _[View the full topic](https://devforum.zoom.us/t/rich-lti-stopped-functioning-with-d2l-error-2207/76722)._