Invalid use of ARIA attributes

I’m running a Deque Axe Monitor accessibility scan, and the Events Calendar is getting flagged for a critical issue. This div has a role of “main” and the attribute aria-readonly=”true”. The aria-readonly attribute is not valid on a div with role=”main.” <div aria-live="off" aria-readonly="true" tabindex="0" class="tribe-common tribe-events tribe-events-view tribe-events-view--week tribe-events--has-filter-bar tribe-events--filter-bar-vertical alignwide tribe-events-pro" data-js="tribe-events-view" data-view-rest-url="https://uscband.usc.edu/wp-json/tribe/views/v2/html" data-view-rest-method="GET" data-view-manage-url="1" data-view-breakpoint-pointer="63f516db-dcb5-4592-aa61-14f110f5a011" role="main"> The page I need help with: [ log in to see the link]