Jun 15 13:32:01 servername grafana-server[20470]: t=2021-06-15T13:32:01+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=1 name="Apache & PHP-FPM memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:03 servername grafana-server[20470]: t=2021-06-15T13:32:03+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=2 name="nginx memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:06 servername grafana-server[20470]: t=2021-06-15T13:32:06+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=3 name="Mail server memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:06 servername grafana-server[20470]: t=2021-06-15T13:32:06+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=4 name="MySQL memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:12 servername grafana-server[20470]: t=2021-06-15T13:32:12+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=9 name="Swap usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:12 servername grafana-server[20470]: t=2021-06-15T13:32:12+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=5 name="Plesk memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:16 servername grafana-server[20470]: t=2021-06-15T13:32:16+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=6 name="Partition \"/\" utilization" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:17 servername grafana-server[20470]: t=2021-06-15T13:32:17+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=8 name="Real memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:19 servername grafana-server[20470]: t=2021-06-15T13:32:19+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=7 name="Partition \"/boot\" utilization" error="request handler error: plugin unavailable" changing state to=keep_state
[...]
Jun 15 13:32:31 servername grafana-server[20470]: t=2021-06-15T13:32:31+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=1 name="Apache & PHP-FPM memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:32 servername grafana-server[20470]: t=2021-06-15T13:32:32+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=6 name="Partition \"/\" utilization" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:33 servername grafana-server[20470]: t=2021-06-15T13:32:33+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=4 name="MySQL memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:33 servername grafana-server[20470]: t=2021-06-15T13:32:33+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=2 name="nginx memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:36 servername grafana-server[20470]: t=2021-06-15T13:32:36+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=3 name="Mail server memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:38 servername grafana-server[20470]: t=2021-06-15T13:32:38+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=5 name="Plesk memory usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:38 servername grafana-server[20470]: t=2021-06-15T13:32:38+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=9 name="Swap usage" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:38 servername grafana-server[20470]: t=2021-06-15T13:32:38+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=7 name="Partition \"/boot\" utilization" error="request handler error: plugin unavailable" changing state to=keep_state
Jun 15 13:32:40 servername grafana-server[20470]: t=2021-06-15T13:32:40+0200 lvl=eror msg="Alert Rule Result Error" logger=alerting.evalContext ruleId=8 name="Real memory usage" error="request handler error: plugin unavailable" changing state to=keep_state