You need to contact your host. CB can't do anything about permissions problems with your server. Your screenshot is of Joomlas directory where its tmp folder is. Your issue is with PHPs tmp folder which is in your servers root directory.
Kyle (Krileon) Community Builder Team Member Before posting on forums:
Read FAQ thoroughly
+
Read our Documentation
+
Search the forums CB links:
Documentation
-
Localization
-
CB Quickstart
-
CB Paid Subscriptions
-
Add-Ons
-
Forge
-- If you are a Professional, Developer, or CB Paid Subscriptions subscriber and have a support issue please always post in your respective support forums for best results!
-- If I've missed your support post with a delay of 3 days or greater and are a Professional, Developer, or CBSubs subscriber please
send me a private message
with your thread and will reply when possible!
-- Please note I am available Monday - Friday from 8:00 AM CST to 4:00 PM CST. I am away on weekends (Saturday and Sunday) and if I've missed your post on or before a weekend after business hours please wait for the next following business day (Monday) and will get to your issue as soon as possible, thank you.
-- My role here is to provide guidance and assistance. I cannot provide custom code for each custom requirement. Please do not inquire me about custom development.
CB and Joomla itself is still working on PHP 8 compatibility. Latest build release has improved this a little more, but we're focusing on Joomla 4 compatibility first then will begin PHP 8 compatibility testing and fixes.
Kyle (Krileon) Community Builder Team Member Before posting on forums:
Read FAQ thoroughly
+
Read our Documentation
+
Search the forums CB links:
Documentation
-
Localization
-
CB Quickstart
-
CB Paid Subscriptions
-
Add-Ons
-
Forge
-- If you are a Professional, Developer, or CB Paid Subscriptions subscriber and have a support issue please always post in your respective support forums for best results!
-- If I've missed your support post with a delay of 3 days or greater and are a Professional, Developer, or CBSubs subscriber please
send me a private message
with your thread and will reply when possible!
-- Please note I am available Monday - Friday from 8:00 AM CST to 4:00 PM CST. I am away on weekends (Saturday and Sunday) and if I've missed your post on or before a weekend after business hours please wait for the next following business day (Monday) and will get to your issue as soon as possible, thank you.
-- My role here is to provide guidance and assistance. I cannot provide custom code for each custom requirement. Please do not inquire me about custom development.