Error "unexpected 'Trait' (T_TRAIT), expecting identifier (T_STRING)"

I found this error in some server, i don´t know why sometimes evaluates "Trait" as T_TRAIT

The complete error:

<br />
<b>Parse error</b>:  syntax error, unexpected 'Trait' (T_TRAIT), expecting identifier (T_STRING) in <b>/homepages/20/d392953578/htdocs/sub-admin/bin-debug/Amfphp/vendor/davewid/peyote/classes/Peyote/Join.php</b> on line <b>11</b><br />