https://www.icyphoenix.com/viewtopic.php?f=35&t=6248&p=42513#p42513
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Lopalong
Sun 09 Aug, 2009 09:22

Re: BIG PROBLEM WITH NEW INSTALATION
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If you have a php.ini file in the public root at your server, then add the code below to it:

[code linenumbers=false]; Whether to enable the ability to force arguments to be passed by reference
; at function call time.  This method is deprecated and is likely to be
; unsupported in future versions of PHP/Zend.  The encouraged method of
; specifying which arguments should be passed by reference is in the function
; declaration.  You're encouraged to try and turn this option Off and make
; sure your scripts work properly with it in order to ensure they will work
; with future versions of the language (you will receive a warning each time
; you use this feature, and the argument will be passed by value instead of by
; reference).
allow_call_time_pass_reference = true
[/code]

If you don't have a php.ini file - Then create one in the root of your public folder and add the code to it and CHMOD to 705.