MyBB Internal Error

MyBB has experienced an internal error and cannot continue.

Error Type:
(8192)
Error Message:
preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead
Location:
File: inc/plugins/phptpl.php
Line: 79
Code:
76.         '")."',
77.         '".$1("',
78.         '")."'
79.     ), $ourtpl);
80. }
81. 
82. 
Backtrace:
File Line Function
/inc/class_error.php 171 errorHandler->output_error
[PHP]   errorHandler->error
/inc/plugins/phptpl.php 79 preg_replace
/inc/plugins/phptpl.php(43) : eval()'d code 21 phptpl_parsetpl
/inc/plugins/ems.php 173 phptpl_templates->get
[PHP]   EMS_globals
/inc/class_plugins.php 101 call_user_func_array
/global.php 95 pluginSystem->run_hooks
/ranking.php 4 require