I am seeing the same thing on a Teams "When Keywords are Mentioned" trigger
{
"statusCode": 502,
"headers": {
"Access-Control-Allow-Methods": "GET, PUT, PATCH, DELETE, POST",
"Access-Control-Allow-Origin": "*",
"Access-Control-Max-Age": "3600",
"Access-Control-Expose-Headers": "*",
"Date": "Thu, 21 Jul 2022 19:54:46 GMT",
"Content-Length": "959",
"Content-Type": "application/json"
},
"body": {
"error": {
"code": 502,
"message": "Unable to parse response JObject:{\r\n \"responses\": [\r\n {\r\n \"id\": \"0\",\r\n \"status\": 404,\r\n \"headers\": {\r\n \"Cache-Control\": \"no-cache\",\r\n \"Content-Type\": \"application/json\"\r\n },\r\n \"body\": {\r\n \"error\": {\r\n \"code\": \"ResourceNotFound\",\r\n \"message\": \"The object was not found.\",\r\n \"innerError\": {\r\n \"date\": \"2022-07-21T19:54:46\",\r\n \"request-id\": \"899a0b9e-ab0d-4626-989d-33d5b02ea87f\",\r\n \"client-request-id\": \"899a0b9e-ab0d-4626-989d-33d5b02ea87f\"\r\n }\r\n }\r\n }\r\n }\r\n ]\r\n}",
"source": "flow-apim-msmanaged-na-northcentralus-01.azure-apim.net",
"path": "choose[1]\\when[1]\\choose[2]\\when[1]",
"policyId": "",
"clientRequestId": "c5ddc4c7-e39c-42aa-9550-fba72050d4eb"
}
}
}