Using <ri:user ri:accountId="account-id"/> while calling /wiki/rest/api/content/ID returns 500

{"id":"SOMEID","type":"page","title":"better retros GDPR 1","space":

{"key":"SAS"}

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{"value":"<ac:layout><ac:layout-section ac:type=\"single\"><ac:layout-cell><ac:structured-macro ac:name=\"details\"><ac:rich-text-body><table><tbody><tr><th>Date</th><td><time datetime=\"2019-03-05\" /></td></tr><tr><th>Participants</th><td><p><ac:link><ri:user ri:accountId=\"CLOUD_ID\"/></ac:link></p><p><ac:link><ri:user ri:accountId=\"CLOUD_ID\"/></ac:link></p></td></tr></tbody></table></ac:rich-text-body></ac:structured-macro></ac:layout-cell></ac:layout-section><ac:layout-section ac:type=\"two_equal\"> <ac:layout-cell><ac:structured-macro ac:name=\"panel\"><ac:parameter ac:name=\"borderColor\">#36B37E</ac:parameter><ac:parameter ac:name=\"bgColor\">#ABF5D1</ac:parameter><ac:rich-text-body><h3>The Good</h3></ac:rich-text-body></ac:structured-macro><ul><li>asd (0 votes)</li><li>asd (0 votes)</li></ul></ac:layout-cell><ac:layout-cell><ac:structured-macro ac:name=\"panel\"><ac:parameter ac:name=\"borderColor\">#FF5630</ac:parameter><ac:parameter ac:name=\"bgColor\">#FFBDAD</ac:parameter><ac:rich-text-body><h3>The Bad</h3></ac:rich-text-body></ac:structured-macro><ul><li>asd (0 votes)</li><li>asdasd (0 votes)</li></ul></ac:layout-cell> </ac:layout-section></ac:layout>","representation":"storage"}

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