Error 500 when update dashboard

Errors appear in syslog after configuring zabbix + grafana:

level=error msg=“Request Completed” method=POST path=/api/ds/query status=500 remote_addr=10.26.35.226 time_ms=93 duration=93.583004ms size=116 referer=“http://10.26.34.7:3000/d/8H2UXzFVk/servers-health?editPanel=24&orgId=1&refresh=5m” handler=/api/ds/query

level=error msg=“Internal server error” error=“[plugin.downstreamError] failed to query data: Failed to query data: rpc error: code = Canceled desc = context canceled” remote_addr=10.26.35.226 traceID=

At the same time, all metrics work without problems. How can I get rid of this error so as not to overload the logs?

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@zatowarlock Did you get the cause of error?

Hello, i have similar problem. It was started afrer update grafana from 8.6 to 9.3 version and plugin zabbix.