Pandadoc / Lindy Webhook

### App
Pandadoc / Lindy Webhook

### Summary:
▎ Failed to start test — System Error — An unexpected error occurred on the server. Please contact support at https://pipedream.com/support

### Details:
Steps tried (none fixed it):
- Enabled PandaDoc API access in workspace
- Deleted ALL old PandaDoc connections from Lindy
- Created fresh PandaDoc connection from incognito with a different PandaDoc user (to rule out OAuth session reuse — earlier connections were
silently bound to a logged-out colleague)
- Deleted and re-added the trigger node from scratch
- Re-tested

Diagnostic log from PandaDoc's API logs (earlier attempt, before fresh connection):
- DELETE /public/v1/webhook-subscriptions/undefined → 400 "Invalid Webhook Subscription UUID:undefined" / validation_error
- Application: Pipedream
- Request ID: 8c8eebd1-1143-4c2b-9dcc-338e2cc3c9d7 (also fffd236b-3d32-48b9-85c5-76e4a53169b7 earlier)
- This indicates Pipedream tried to clean up an orphaned webhook subscription with no stored UUID

Current state:
- New fresh connection in place
- Pipedream is no longer making any API calls to PandaDoc — PandaDoc's API logs show zero traffic. The failure is entirely inside the Pipedream
connector before any outbound request.
- Suspect orphaned account-level state on Pipedream's side that needs a manual reset

Please escalate to Pipedream if needed. Request ID for them: 8c8eebd1-1143-4c2b-9dcc-338e2cc3c9d7.

### Screenshots: