Title: Critical errors Rest API, Loop Back Request error Last modified: February 25, 2021 --- # Critical errors Rest API, Loop Back Request error * [chitrag135](https://wordpress.org/support/users/chitrag135/) * (@chitrag135) * [5 years, 3 months ago](https://wordpress.org/support/topic/critical-errors-rest-api-loop-back-request-error/) * I got the following errors in my site egtours.com when I check the health of the WordPress site. * The REST API is one way WordPress, and other applications, communicate with the server. One example is the block editor screen, which relies on this to display, and save, your posts and pages. * Error 1. * The REST API call gave the following unexpected result: (508) 508 Resource Limit Is Reached

Resource Limit Is Reached

The website is temporarily unable to service your request as it exceeded resource limit. Please try again later. . * Loopback requests are used to run scheduled events, and are also used by the built-in editors for themes and plugins to verify code stability. * Error 2 * The loopback request returned an unexpected http status code, 508, it was not possible to determine if this will prevent features from working as expected. * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fcritical-errors-rest-api-loop-back-request-error%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 2 replies - 1 through 2 (of 2 total) * Moderator [t-p](https://wordpress.org/support/users/t-p/) * (@t-p) * [5 years, 3 months ago](https://wordpress.org/support/topic/critical-errors-rest-api-loop-back-request-error/#post-14112068) * Resource limit reached Error is pretty self-explanatory. Your website has reached the top of its allotted resources on the server. There are a number of reasons that this can happen. Try reviewing [https://www.elegantthemes.com/blog/wordpress/how-to-fix-the-http-508-error-codes](https://www.elegantthemes.com/blog/wordpress/how-to-fix-the-http-508-error-codes) * Thread Starter [chitrag135](https://wordpress.org/support/users/chitrag135/) * (@chitrag135) * [5 years, 3 months ago](https://wordpress.org/support/topic/critical-errors-rest-api-loop-back-request-error/#post-14116153) * when I troubleshoot the site I got following notice * When switching the active theme to grandtour, a site failure occurred. Because of this we reverted the theme to the one you used previously. * When enabling the plugin, booked, a site failure occurred. Because of this the change was automatically reverted. * When enabling the plugin, seo-by-rank-math, a site failure occurred. Because of this the change was automatically reverted. Viewing 2 replies - 1 through 2 (of 2 total) The topic ‘Critical errors Rest API, Loop Back Request error’ is closed to new replies. * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/) * 2 replies * 2 participants * Last reply from: [chitrag135](https://wordpress.org/support/users/chitrag135/) * Last activity: [5 years, 3 months ago](https://wordpress.org/support/topic/critical-errors-rest-api-loop-back-request-error/#post-14116153) * Status: not resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics