learnpress course ciculum error

Sir
I am facing this problem.i have checked with define(‘SCRIPT_DEBUG’, true) on my browser console give me this error message.
[Intervention] Slow network is detected. See https://www.chromestatus.com/feature/5636954674692096 for more details. Fallback font will be used while loading: https://www.examfitness.com/wp-includes/js/tinymce/skins/lightgray/fonts/tinymce.woff
post.php:1 [DOM] Found 2 elements with non-unique id #post: (More info: https://goo.gl/9p2vKq) <select data-options=?”{“allowClear”:?true,”width”:?”none”,”placeholder”:?”Select a post”}?” id=?”post” class=?”rwmb-post rwmb-select_advanced select2-hidden-accessible” name=?”thim_tabs[0]?[post]?” tabindex=?”-1″ aria-hidden=?”true”>?…?</select>? <form name=?”post” action=?”post.php” method=?”post” id=?”post”>?…?</form>?
post.php:1 [DOM] Found 2 elements with non-unique id #title: (More info: https://goo.gl/9p2vKq) <input type=?”text” name=?”post_title” size=?”30″ value=?”CCA (Certificate In Computer Application)?” id=?”title” spellcheck=?”true” autocomplete=?”off”>? <input size=?”30″ value=?”important notice” type=?”text” id=?”title” class=?”rwmb-text” name=?”thim_tabs[0]?[title]?”>?
/wp-admin/admin-ajax.php?keyword=computer&action=rank_math_is_keyword_new&security=f2782fef84&objectID=458&objectType=post:1 Failed to load resource: the server responded with a status of 404 (Not Found)
19/wp-admin/index.php?namespace=LPCurriculumRequest:1 Failed to load resource: the server responded with a status of 503 (Service Unavailable)
DevTools failed to load SourceMap: Could not load content for https://www.examfitness.com/wp-content/plugins/learnpress/assets/js/admin/utils.js.map: HTTP error: status code 503, net::ERR_HTTP_RESPONSE_CODE_FAILURE
DevTools failed to load SourceMap: Could not load content for https://www.examfitness.com/wp-content/plugins/learnpress/assets/js/admin/admin.js.map: HTTP error: status code 503, net::ERR_HTTP_RESPONSE_CODE_FAILURE
2index.php:1 Failed to load resource: the server responded with a status of 503 (Service Unavailable)
DevTools failed to load SourceMap: Could not load content for https://www.examfitness.com/wp-content/plugins/learnpress/assets/js/admin/learnpress.js.map: HTTP error: status code 503, net::ERR_HTTP_RESPONSE_CODE_FAILURE
please resolve this sir.

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