Redmine

Hi,

Redmine Environment: 3.4.6

Redmine is assigning projects to the users automatically and assigns roles soon after the login creation and not able to delete the assigned projects.
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Log file!!

Completed 200 OK in 327ms (Views: 284.3ms | ActiveRecord: 23.9ms)
Started POST "/redmine/users" for ::1 at 2019-03-11 16:08:05 +0530
Processing by UsersController#create as HTML
Parameters: {"utf8"=>"✓", "authenticity_token"=>"MnvPwUqo66+oDItJIiZoYWlUUHMR9rJuoukMFtY8ZF4UyOyhsO8iuqW+7SkWH9A5qjLe8nrSkk5jTfkvnHnuQg==", "user"=>{"login"=>"abc", "firstname"=>"ABC", "lastname"=>"ABC", "mail"=>"abc@abc.com", "language"=>"en", "custom_field_values"=>{"15"=>"", "18"=>""}, "admin"=>"0", "password"=>"[FILTERED]", "password_confirmation"=>"[FILTERED]", "generate_password"=>"[FILTERED]", "must_change_passwd"=>"0", "mail_notification"=>"only_assigned", "notified_project_ids"=>[""]}, "pref"=>{"no_self_notified"=>"1", "hide_mail"=>"0", "time_zone"=>"", "comments_sorting"=>"asc", "warn_on_leaving_unsaved"=>"1", "textarea_font"=>""}, "commit"=>"Create"}
Current user: admin (id=1)
Redirected to localhost:81/redmine/users/6/
Completed 302 Found in 179ms (ActiveRecord: 46.1ms)
Started GET "/redmine/users/6/edit" for ::1 at 2019-03-11 16:08:06 +0530
Processing by UsersController#edit as HTML
Parameters: {"id"=>"6"}
Current user: admin (id=1)
Rendered users/_mail_notifications.html.erb (176.9ms)
Rendered users/_preferences.html.erb (64.8ms)
Rendered users/_form.html.erb (452.0ms)
Rendered users/_general.html.erb (457.1ms)
Rendered principal_memberships/_index.html.erb (1660.0ms)
Rendered users/_memberships.html.erb (1661.0ms)
Rendered common/_tabs.html.erb (2125.0ms)
Rendered users/edit.html.erb within layouts/admin (2137.3ms)
Rendered admin/_menu.html.erb (14.3ms)
Rendered layouts/base.html.erb (270.1ms)
Completed 200 OK in 2451ms (Views: 2393.9ms | ActiveRecord: 45.1ms)

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Few are having only Edit option and few with Edit/Delete. But projects not getting deleted for the user!