Expected behaviour
Upload Files and Delete Files
Actual behaviour
I can Upload THe Files But Cant Delete it, OwnCloud Get me Back "Forbiden" or Cant Delete ...
Server configuration
Operating system: CloudLinux
Web server: apache
Database: mariadb
PHP version: 5.6
ownCloud version : 9
Special configuration (external storage, external authentication, reverse proxy, server-side-encryption): No
Which access do you have? Did anybody share the data with you? Are you administrator or normal user?
That's important in your case!
Most likely caused by a misconfiguration on webserver side which doesn't allow to use some specific HTTP verbs (in this case most likely DELETE). The following FAQs [1] and [2] are containing all needed info how to verify that your webserver is configured correctly.
[1]
[2]
We had a longer thread with a CloudLinux user:
https://forum.owncloud.org/viewtopic.php?f=36&t=36935
It's not directly related to your issue except that on such "exotic" platforms you are a bit on your own and very few people can help you here.