When generating graphs, there is often a red exclamation mark and the graph fails to render. An example is the per labs project dashboard eg:
Clicking on the CPU raw, for example, exacerbates the issue: most of the graphs do not render. I get the same behavior even when filtering by host and asking to simply render cpu and memory graphs (example).
Clicking on the red exclamation mark leads to an inspection panel offering more details:
Message: c.datapoints is undefined
Stack trace:
c/this.convertDataPointsToMs@https://grafana-labs.wikimedia.org/public/app/boot.e4836696.js:15:20614 i@https://grafana-labs.wikimedia.org/public/app/boot.e4836696.js:61:3972 l/<@https://grafana-labs.wikimedia.org/public/app/boot.e4836696.js:61:4394 zc/this.$get</o.prototype.$eval@https://grafana-labs.wikimedia.org/public/app/boot.e4836696.js:61:11545 zc/this.$get</o.prototype.$digest@https://grafana-labs.wikimedia.org/public/app/boot.e4836696.js:61:10014 zc/this.$get</o.prototype.$apply@https://grafana-labs.wikimedia.org/public/app/boot.e4836696.js:61:11830 x/i<@https://grafana-labs.wikimedia.org/public/app/boot.e4836696.js:61:7880 f@https://grafana-labs.wikimedia.org/public/app/boot.e4836696.js:59:22130 pb/k.defer/c<@https://grafana-labs.wikimedia.org/public/app/boot.e4836696.js:59:23593