Card #3576 · Grafana
Frequent 'Cannot read property of undefined' JavaScript errors
Users are encountering various 'Cannot read property of undefined' and TypeError crashes across different Grafana components. These issues appear in the Status plugin, during dashboard saving, and when embedding dashboards in web applications.
Pain score
0.15/ 1.00 · weighted product of four components
Reach0.73distinct authors (log-normalized)
Recency1.00freshness decay, half-life months
Engagement0.35upvotes + comments, normalized
Monetization0.25willingness-to-pay cues in evidence
§ Evidence — 3 verified quotes
Grafana Status plugin shows error as Cannot read property ‘0’ of undefined.
Now I am getting as cannot read property of ‘pageClass’ of undefined.
Uncaught TypeError: Cannot read property ‘Constructor’ of undefined
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