Campaigns Error Message

I have a campaign that contains an HTML table card in the email body and is triggered to send by a dataset alert. I recently received this error message on a failed campaign delivery which I have never seen before. The same trigger was able to send to another recipient on the distribution list. Can someone help explain the cause?

 Error generating Domo table tag {{domo-content-572344317-table width=800 height=600 scale=1.0 max-pages=1 max-rows=0}} - RequestFailedException{failureType=SERVER_ERROR, failureBody='{"status":503,"statusReason":"Service Unavailable","message":"Bulkhead query exceeded total number of requests","toe":"ZSSVA6WTBG-LWWNH-18HRC"}'}

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