0011104: backend return 500 when script failed, spec mandate 502

ID	Project	Category	View Status	Date Submitted	Last Update

0011104	Taler	merchant backend	public	2026-02-18 16:17	2026-02-18 16:17

Reporter	sebasjm	Assigned To
Priority	normal	Severity	major	Reproducibility	always
Status	new	Resolution	open

Summary	0011104: backend return 500 when script failed, spec mandate 502
Description	https://docs.taler.net/core/api-merchant.html#two-factor-auth $ curl 'https://my.taler-ops.ch/challenge/455-DKXKMJQF3T072F37R23TG7R936EWA44XJZJZDBRVXKJ671G72PAG' --data-raw '{}' -v > POST /challenge/455-DKXKMJQF3T072F37R23TG7R936EWA44XJZJZDBRVXKJ671G72PAG HTTP/1.1 < HTTP/1.1 500 Internal Server Error { "code": 2128, "hint": "The backend failed to launch a helper process required for the multi-factor authentication step. The backend operator should check the logs and fix the Taler merchant backend configuration.", "detail": "process exited with error" }
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Date Modified	Username	Field	Change
2026-02-18 16:17	sebasjm	New Issue