# \[mautrix-whatsapp\] | yunohost web interface configuration change failed Erreur: "500"
**URL:** https://forum.yunohost.org/t/mautrix-whatsapp-yunohost-web-interface-configuration-change-failed-erreur-500/37740
**Category:** Support apps
**Tags:** mautrix\_whatsapp, french, english
**Created:** [July 14, 2025, 5:15pm UTC](https://forum.yunohost.org/t/mautrix-whatsapp-yunohost-web-interface-configuration-change-failed-erreur-500/37740 "2025-07-14T17:15:23Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@MaximeB](https://forum.yunohost.org/u/MaximeB)
#### Post date: [July 14, 2025, 5:15pm UTC](https://forum.yunohost.org/t/mautrix-whatsapp-yunohost-web-interface-configuration-change-failed-erreur-500/37740/1 "2025-07-14T17:15:24Z")
**What type of hardware are you using** : VPS bought online
**What YunoHost version are you running** : 12.0.17 (stable)
**What app is this about** : mautrix-whatsapp
### Describe your issue
I’m installing mautrix-whatsapp whit config user for using / admin / use relay - ok
Bridge Whatsaap account - ok
define relay d’un group whatsaap - not ok
“You don’t have permission to manage the relay in this room”
I think , i’m not admin !
Go web interface yunohost
Go mautrix-whatsapp config
the user defined above is not included in the administrators.
I’m trying to add it - not ok
I get the following error message:
Unexpected server error
Erreur: “500”
Action: “PUT” /yunohost/api/apps/mautrix\_whatsapp/config/main
Someone to help me ?
Thanks
### Share relevant logs or error messages
Traceback (most recent call last):
File “/usr/lib/python3/dist-packages/moulinette/interfaces/api.py”, line 498, in process
ret = self.actionsmap.process(arguments, timeout=30, route=_route)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/moulinette/actionsmap.py”, line 579, in process
return func(\*\*arguments)
^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/yunohost/log.py”, line 486, in func\_wrapper
result = func(\*args, \*\*kwargs)
^^^^^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/yunohost/app.py”, line 1886, in app\_config\_set
return config_.set(key, value, args, args\_file, operation\_logger=operation\_logger)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/yunohost/utils/configpanel.py”, line 579, in set
self.form = self.\_ask(
^^^^^^^^^^
File “/usr/lib/python3/dist-packages/yunohost/utils/configpanel.py”, line 870, in \_ask
form = prompt\_or\_validate\_form(
^^^^^^^^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/yunohost/utils/form.py”, line 2058, in prompt\_or\_validate\_form
if not option.is\_visible(context):
^^^^^^^^^^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/yunohost/utils/form.py”, line 431, in is\_visible
return evaluate\_simple\_js\_expression(self.visible, context=context)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/yunohost/utils/form.py”, line 218, in evaluate\_simple\_js\_expression
return evaluate\_simple\_ast(node, context)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “/usr/lib/python3/dist-packages/yunohost/utils/form.py”, line 106, in evaluate\_simple\_ast
return context[node.id]
~~~~~~~ ^^^^^^^^^
KeyError: ‘enable\_relaybot’
---
### Author:  [@pyrignis](https://forum.yunohost.org/u/pyrignis)
#### Post date: [July 17, 2025, 6:17pm UTC](https://forum.yunohost.org/t/mautrix-whatsapp-yunohost-web-interface-configuration-change-failed-erreur-500/37740/2 "2025-07-17T18:17:04Z")
I have a similar error. For now, I am as stuck as you. But if you do find a solution I’d be glad to hear it. I’ll post here if I do.
---
### Author:  [@system](https://forum.yunohost.org/u/system)
#### Post date: [August 1, 2025, 6:18pm UTC](https://forum.yunohost.org/t/mautrix-whatsapp-yunohost-web-interface-configuration-change-failed-erreur-500/37740/3 "2025-08-01T18:18:00Z")
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