Error message

• Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 14 of /usr/www/users/archig/architechnic-ag.com_7.38_150804/themes/engines/phptemplate/phptemplate.engine).
• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in _menu_load_objects() (line 571 of /usr/www/users/archig/architechnic-ag.com_7.38_150804/includes/menu.inc).
• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /usr/www/users/archig/architechnic-ag.com_7.38_150804/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6526 of /usr/www/users/archig/architechnic-ag.com_7.38_150804/includes/common.inc).