Nextcloud TrueNAS Plugin SMBClient Support

Now I am getting the below error. I have put the files in one of the Samba share folders. Please help... I am using below folders-.

After that I enabled dynamic dns services on TrueNAS with a free NoIP account. I early installed nextcloud plugin, flowing some tutorials and I ...

I hope you can help me out or point me to a good tutorial for a proper NextCloud setup. Thank you in advance.