# Cannot run Mopidy as normal user: "Algorithm plain is not supported."

**URL:** <https://discourse.mopidy.com/t/cannot-run-mopidy-as-normal-user-algorithm-plain-is-not-supported/5562>\
**Category:** Help and support\
**Created:** [September 19, 2022, 6:25am UTC](https://discourse.mopidy.com/t/cannot-run-mopidy-as-normal-user-algorithm-plain-is-not-supported/5562 "2022-09-19T06:25:33Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![ghostpal](https://avatars.discourse-cdn.com/v4/letter/g/c67d28/32.png) [@ghostpal](https://discourse.mopidy.com/u/ghostpal)\
**Post date:** [September 19, 2022, 6:25am UTC](https://discourse.mopidy.com/t/cannot-run-mopidy-as-normal-user-algorithm-plain-is-not-supported/5562/1 "2022-09-19T06:25:33Z")

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Hi, I’m unable to start mopidy outside root, which is odd, since I used to be able to run it normally. “sudo mopidy” works fine, but when I try running it as my normal user, it returns this:

```auto
awesome% mopidy -v
Traceback (most recent call last):
  File "/usr/bin/mopidy", line 33, in <module>
    sys.exit(load_entry_point('Mopidy==3.3.0', 'console_scripts', 'mopidy')())
  File "/usr/lib/python3.10/site-packages/mopidy/ __main__.py", line 55, in main
    config, config_errors = config_lib.load(
  File "/usr/lib/python3.10/site-packages/mopidy/config/ __init__.py", line 111, in load
    raw_config = _load(files, defaults, keyring.fetch() + (overrides or []))
  File "/usr/lib/python3.10/site-packages/mopidy/config/keyring.py", line 44, in fetch
    session = service.OpenSession("plain", EMPTY_STRING)[1]
  File "/usr/lib/python3.10/site-packages/dbus/proxies.py", line 72, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/python3.10/site-packages/dbus/proxies.py", line 141, in __call__
    return self._connection.call_blocking(self._named_service,
  File "/usr/lib/python3.10/site-packages/dbus/connection.py", line 652, in call_blocking
    reply_message = self.send_message_with_reply_and_block(
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.InvalidArgs: Algorithm plain is not supported. (only dh-ietf1024-sha256-aes128-cbc-pkcs7 is supported)

```

Running other commands like mopidy config and mopidy deps return the same result. There are also no currently running mopidy services. Some commands, like mopidy --version and mopidy -h, function normally.  
Running on Arch Linux x86\_64 kernel 5.15.68-1 lts, zsh, and Mopidy 3.3.0.

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<div class="post-metadata">

**Author:** ![ghostpal](https://avatars.discourse-cdn.com/v4/letter/g/c67d28/32.png) [@ghostpal](https://discourse.mopidy.com/u/ghostpal)\
**Post date:** [September 19, 2022, 6:28am UTC](https://discourse.mopidy.com/t/cannot-run-mopidy-as-normal-user-algorithm-plain-is-not-supported/5562/2 "2022-09-19T06:28:26Z")

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Oh, I’m also using the default configuration file provided here:  
[https://docs.mopidy.com/en/latest/config/](https://docs.mopidy.com/en/latest/config/)

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<div class="post-metadata">

**Author:** ![kingosticks](https://avatars.discourse-cdn.com/v4/letter/k/858c86/32.png) [@kingosticks](https://discourse.mopidy.com/u/kingosticks)\
**Post date:** [October 10, 2022, 8:22am UTC](https://discourse.mopidy.com/t/cannot-run-mopidy-as-normal-user-algorithm-plain-is-not-supported/5562/3 "2022-10-10T08:22:28Z")

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Is this under KDE? With KWallet ?

Fixed with [Fix dbus exception where algorithm 'plain' is not supported by fatg3erman · Pull Request #2061 · mopidy/mopidy · GitHub](https://github.com/mopidy/mopidy/pull/2061)

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<div class="post-metadata">

**Author:** ![system](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.mopidy.com/system/32/1_2.png) [@system](https://discourse.mopidy.com/u/system)\
**Post date:** [April 10, 2023, 8:23pm UTC](https://discourse.mopidy.com/t/cannot-run-mopidy-as-normal-user-algorithm-plain-is-not-supported/5562/4 "2023-04-10T20:23:01Z")

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