ERR-4821
TypeError: Cannot read properties of undefined (reading 'amount')
UnresolvedTypeError Regressionproduction
TypeError: Cannot read properties of undefined (reading 'amount')
Service: checkout-api First seen: 7/2/2026, 5:14:00 AM Last seen: 7/2/2026, 5:48:00 AM Events: 428 Users: 312
#checkout#regression#production
Assignee
MA
Marcus Anderson
Senior Backend Engineer
Stack Trace
Raw stack frames with file/line attribution
TypeError1at processCheckout (checkout.ts:142)2at handleRequest (server.ts:78)3at async middleware (router.ts:24)
Release Attribution
When this error first appeared
First seen release
v2.4.1-rc17/2/2026, 5:14:00 AM
Last seen release
v2.4.1-rc17/2/2026, 5:48:00 AM
Regression detected
This error was previously resolved and re-appeared in release v2.4.1-rc1.
Event Frequency
Events per hour over the last 14 hours
Top Affected Users
312 total
user1006@example.com16x
12:22 AM
user1000@example.com14x
12:47 AM
user1005@example.com14x
12:50 AM
user1007@example.com13x
12:24 AM
user1001@example.com8x
12:24 AM
user1002@example.com4x
12:17 AM
user1003@example.com4x
12:23 AM
user1004@example.com1x
12:25 AM
Recent Events
Last 6 raw event occurrences with environment metadata
Timestamp
Browser
OS
Release
URL
Oct 14, 12:53:27 AM
Chrome 126
macOS 14
v2.4.1-rc1/checkout/reviewOct 14, 12:49:27 AM
Safari 17
Windows 11
v2.4.1-rc1/checkout/reviewOct 14, 12:45:27 AM
Firefox 124
iOS 17
v2.4.1-rc1/checkout/reviewOct 14, 12:41:27 AM
Edge 126
Android 14
v2.4.1-rc1/checkout/reviewOct 14, 12:37:27 AM
Chrome 126
macOS 14
v2.4.1-rc1/checkout/reviewOct 14, 12:33:27 AM
Safari 17
Windows 11
v2.4.1-rc1/checkout/review