Fatal Error On Installation

[LenKaiser]

I'm getting this Fate Error when I enter into the installation of Xenforo 2.12.

Code:

Deprecated: Array and string offset access syntax with curly braces is deprecated in /xxx/dev/src/vendor/dokuwiki/utf8/utf8.php on line 66

Deprecated: Array and string offset access syntax with curly braces is deprecated in /xxx/dev/src/vendor/dokuwiki/utf8/utf8.php on line 67

Deprecated: Array and string offset access syntax with curly braces is deprecated in /xxx/dev/src/vendor/dokuwiki/utf8/utf8.php on...

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Fatal Error On Installation

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