TypeError: Cannot read properties of undefined (reading 'descriptors')

[ops-handler]

Error

Cannot read properties of undefined (reading 'descriptors')

Stack trace

webpack://@mercuryworkshop/scramjet/./src/client/client.ts:365 in get ScramjetClient.frame
webpack://@mercuryworkshop/scramjet/./src/client/client.ts:434 in set ScramjetClient.url
webpack://@mercuryworkshop/scramjet/./src/client/location.ts:54 in desc.setapply
/scramjet/https%3A%2F%2Fassets.exercism.org%2Fassets%2Fchunk-ECWQRKCE.js:18 in ce.reload
/scramjet/https%3A%2F%2Fassets.exercism.org%2Fassets%2Fchunk-ECWQRKCE.js:18 in ce.pageInvalidated
/scramjet/https%3A%2F%2Fassets.exercism.org%2Fassets%2Fchunk-ECWQRKCE.js:18 in Se.viewInvalidated
/scramjet/https%3A%2F%2Fassets.exercism.org%2Fassets%2Fchunk-ECWQRKCE.js:4 in we.invalidate
/scramjet/https%3A%2F%2Fassets.exercism.org%2Fassets%2Fchunk-ECWQRKCE.js:4 in we.render
/scramjet/https%3A%2F%2Fassets.exercism.org%2Fassets%2Fchunk-ECWQRKCE.js:18 in we.renderPage
/scramjet/https%3A%2F%2Fassets.exercism.org%2Fassets%2Fchunk-ECWQRKCE.js:18

Tracking Details

• Project: exercism-js
• Sentry: TypeError: Cannot read properties of undefined (reading 'descriptors')
• Culprit: get ScramjetClient.frame(scramjet/./src/client/client)
• First seen: Mar 16, 2026