IBM Project Bob

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 Sign-in failed: fetch failed

YOSHIOMI SEGAWA's profile image
YOSHIOMI SEGAWA posted Wed April 01, 2026 12:13 PM

Our customer who recently signed up for the free trial is reporting that they cannot authenticate with Bob. It seems they have configured all firewall whitelist entries described in the documentation, but after the message “The extension 'Bob' is attempting to sign in using Bob” appears and they click “Allow,” the browser (IBM ID authentication page), which should normally open, does not launch. Instead, they receive the following errors:■ Error shown in the UI“Sign-in failed: fetch failed”■ Error in the logs“Error triggering ibmSSOFlow: fetch failed”

What should we do to fix this issue?

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Pierre Viricel's profile image
Pierre Viricel

Hello Yoshiomi Segawa,

One thing to check is firewall settings https://bob.ibm.com/docs/ide/troubleshooting/ts-firewall-rules#configure-your-firewall-to-allow-bob-domain

YOSHIOMI SEGAWA's profile image
YOSHIOMI SEGAWA

Hi @Pierre Viricel
Thank you for the comment. I haven't updated, but the customer said that the issue was resolved by reinstalling Bob.