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Sorry to hear you’re facing problems 
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In order to help you as quickly as possible, before clicking Create Topic please provide as much of the below as you can. Feel free to use a pastebin service for logs, otherwise either indent short log examples with four spaces:
When I try to share a folder which comes from an externally (scp) mounted storage, I get an error message and the share does not work.
After I entered a user to share the folder with, I get the error message: "r.t0.response.data.ocs is undefined." follwind by a node id. The folder appears with the "shared" icon, but the share does noit work. I cannot remove the (invisible) shares in web interface. However, I can remove them from the "oc_share" table in slq.
My problem is very similar to what expert-geeks reported here:
[https://help.nextcloud.com/t/solved-error-creating-the-share-node-for-share-not-found/147227/2](https://help.nextcloud.com/t/solved-error-creating-the-share-node-for-share-not-found/147227/2)
Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version (eg, 20.0.5): 26.0.1
Operating system and version (eg, Ubuntu 20.04): Ubuntu 22.04
Apache or nginx version (eg, Apache 2.4.25): Apache 2.4.52/Ubuntu
PHP version (eg, 7.4): 8.0.28
The issue you are facing:
Is this the first time you’ve seen this error? (Y/N):Y
Steps to replicate it:
- Mount storage via SCP mechanism
- Share this folder with a group
- Enjoy the error message
The output of your Nextcloud log in Admin > Logging:
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The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
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The output of your Apache/nginx/system log in /var/log/____:
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Output errors in nextcloud.log in /var/www/ or as admin user in top right menu, filtering for errors. Use a pastebin service if necessary.
PASTE HERE