What kind of mistake? You do not have permission to create or upload files to this folder.
What rights should there be to these folders?
• Some directories are not owned by the account under which the web server process is running. This usually happens during a manual installation. Check the permissions on the following application directories:
o /home/a/alexbemo//public_html/apps/accessibility
o /home/a/alexbemo//public_html/apps/activity
o /home/a/alexbemo//public_html/apps/admin_audit
o /home/a/alexbemo//public_html/apps/announcementcenter
o /home/a/alexbemo//public_html/apps/bruteforcesettings
o /home/a/alexbemo//public_html/apps/calendar
o /home/a/alexbemo//public_html/apps/circles
o /home/a/alexbemo//public_html/apps/cloud_federation_api
o /home/a/alexbemo//public_html/apps/comments
o /home/a/alexbemo//public_html/apps/contacts
o /home/a/alexbemo//public_html/apps/contactsinteraction
o /home/a/alexbemo//public_html/apps/dashboard
o /home/a/alexbemo//public_html/apps/dav
o /home/a/alexbemo//public_html/apps/deck
o /home/a/alexbemo//public_html/apps/encryption
o /home/a/alexbemo//public_html/apps/external
o /home/a/alexbemo//public_html/apps/federatedfilesharing
o /home/a/alexbemo//public_html/apps/federation
o /home/a/alexbemo//public_html/apps/files
o /home/a/alexbemo//public_html/apps/files_accesscontrol
o /home/a/alexbemo//public_html/apps/files_automatedtagging
o /home/a/alexbemo//public_html/apps/files_external
o /home/a/alexbemo//public_html/apps/files_pdfviewer
o /home/a/alexbemo//public_html/apps/files_retention
o /home/a/alexbemo//public_html/apps/files_rightclick
o /home/a/alexbemo//public_html/apps/files_sharing
o /home/a/alexbemo//public_html/apps/files_trashbin
o /home/a/alexbemo//public_html/apps/files_versions
o /home/a/alexbemo//public_html/apps/files_videoplayer
o /home/a/alexbemo//public_html/apps/firstrunwizard
o /home/a/alexbemo//public_html/apps/logreader
o /home/a/alexbemo//public_html/apps/lookup_server_connector
o /home/a/alexbemo//public_html/apps/mail
o /home/a/alexbemo//public_html/apps/nextcloud_announcements
o /home/a/alexbemo//public_html/apps/notifications
o /home/a/alexbemo//public_html/apps/oauth2
o /home/a/alexbemo//public_html/apps/password_policy
o /home/a/alexbemo//public_html/apps/photos
o /home/a/alexbemo//public_html/apps/privacy
o /home/a/alexbemo//public_html/apps/provisioning_api
o /home/a/alexbemo//public_html/apps/recommendations
o /home/a/alexbemo//public_html/apps/registration
o /home/a/alexbemo//public_html/apps/richdocuments
o /home/a/alexbemo//public_html/apps/richdocumentscode
o /home/a/alexbemo//public_html/apps/serverinfo
o /home/a/alexbemo//public_html/apps/settings
o /home/a/alexbemo//public_html/apps/sharebymail
o /home/a/alexbemo//public_html/apps/socialsharing_email
o /home/a/alexbemo//public_html/apps/spreed
o /home/a/alexbemo//public_html/apps/support
o /home/a/alexbemo//public_html/apps/survey_client
o /home/a/alexbemo//public_html/apps/systemtags
o /home/a/alexbemo//public_html/apps/text
o /home/a/alexbemo//public_html/apps/theming
o /home/a/alexbemo//public_html/apps/twofactor_backupcodes
o /home/a/alexbemo//public_html/apps/updatenotification
o /home/a/alexbemo//public_html/apps/user_ldap
o /home/a/alexbemo//public_html/apps/user_saml
o /home/a/alexbemo//public_html/apps/user_status
o /home/a/alexbemo//public_html/apps/viewer
o /home/a/alexbemo//public_html/apps/weather_status
o /home/a/alexbemo//public_html/apps/workflowengine