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yep, that was it! My redirect url (probably just the default entry) had the wrong port. Thanks!

whoops, I didn't know about that step. Adding casibase redirect URLs to casdoor. That sounds like the likely issue.

okay, thanks for confirming that!

I tried in a different browser that hadn't seen casibase or casdoor and still got the same issue. (not using a vpn or docker... I'm running both casdoor and casibase in another user account together, and using sqlite for both)

should these three errors when casibase is run worry me?

2026/01/23 03:20:23.695 [E] [init.go:30]  Failed to add template code-server: constraint failed: UNIQUE constraint failed: template.owner, template.name (1555)
2026/01/23 03:20:23.695 [E] [init.go:30]  Failed to add template kuboard: constraint failed: UNIQUE constraint failed: template.owner, template.name (1555)
2026/01/23 03:20:23.695 [E] [init.go:30]  Failed to add template pdf2zh: constraint failed: UNIQUE constraint failed: template.owner, template.name (1555)

if I do log into casdoor, then when I try to log into casibase and get redirected to casdoor, there is a "continue with existing account" option. But clicking that still ultimately leaves me not logged into casibase, and generates the same 403 forbidden error in the casibase log