Can't connect to a fresh seafile install

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What type of hardware are you using: Raspberry Pi 3, 4+
What YunoHost version are you running: 12.0.12 (stable).
What app is this about: seafile

Describe your issue

I’ve got a fresh install of yunohost, with custom domain using a vpn. All seems to work pretty well.

I installed seafile on /seafile, the web UI works fine, but I can’t connect from either a Linux or an Adroid client.

I get “network error” on Android.
I get “500 internal error” on Linux.

Share relevant logs or error messages

I did notice this during install 2025-04-02 22:52:44,649: WARNING - adduser: Warning: The home dir /nonexistent you specified can't be accessed: No such file or directory

https://paste.yunohost.org/raw/uxenaxozac

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This looks like it might be the issue, from seahub.log

2025-04-03 10:51:29,058 [ERROR] seahub.base.accounts:1015 authenticate ldap bind failed: {'result': -1, 'desc': "Can't contact LDAP server", 'errno': 107, 'ctrls': [], 'info': 'Transport endpoint is not connected'}
2025-04-03 10:51:29,067 [WARNING] django.request:241 log_response Bad Request: /seafile/api2/auth-token/
2025-04-03 10:52:01,972 [WARNING] django.request:241 log_response Method Not Allowed: /seafile/api2/auth-token/

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But these latest are in the filesystem log, not in the yunohost service log.