SyntaxError: Unexpected token '<'

[ops-handler]

Error

Unexpected token '<'

Stack trace

Lazy
Suspense
../node_modules/@sentry/react/src/errorboundary.tsx:101 in new ErrorBoundary
../node_modules/@tanstack/react-query/src/QueryClientProvider.tsx:30 in QueryClientProvider

Tracking Details

• Project: exercism-js
• Sentry: SyntaxError: Unexpected token '<'
• Culprit: ExerciseStatusChart(app/javascript/packs/application)
• First seen: Mar 18, 2026