Tried to install EasyEngine V4 on a fresh Debian 8 server. Installation failed with following error message:
-----> Pulling EasyEngine docker images
-----> Pulling EasyEngine docker images
PHP Parse error: syntax error, unexpected '::' (T_PAAMAYIM_NEKUDOTAYIM) in phar:///usr/local/bin/ee/vendor/easyengine/admin-tools-command/src/Admin_Tools_Command.php on line 183
Any idea what went went wrong?