Server : LiteSpeed System : Linux premium181.web-hosting.com 4.18.0-553.45.1.lve.el8.x86_64 #1 SMP Wed Mar 26 12:08:09 UTC 2025 x86_64 User : ventnesy ( 2514) PHP Version : 8.3.30 Disable Function : NONE Directory :  /var/softaculous/webcollab/

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1) download tar.gz version (not the zip) from http://sourceforge.net/projects/webcollab/.
2) Keep default abbreviated sitename.
3) uncheck  'use email' and  don't enter 'smtp' details. 
4) Keep default timezone (GMT).
5) PHP REQUIREMENT LINK : setup.php //version check