I am having unexpected error in the diagnostic.json file when I successfully configure the Confluence Cloud connector in the workplace search and it gave us the "Source returned an unexpected error during synchronization." error. And the contents in my space are not populated into the Workplace search, the detailed error is
"createdAt": "2021-07-06T20:30:03Z",
"status": "error",
"fatalException": {
"friendly_message": "Source returned an unexpected error during synchronization.",
"stack_trace": "/usr/share/enterprise-search/lib/war/connectors/lib/connectors/content_sources/atlassian/custom_client.class:41:in `parse_and_raise_if_necessary!\u0027: Failed to call https://*****.atlassian.net/wiki/rest/api/user"