Error message

• Warning: date_timezone_set() expects parameter 1 to be DateTime, bool given in format_date() (line 2063 of /home1/montes/public_html/books/includes/common.inc).
• Warning: date_format() expects parameter 1 to be DateTimeInterface, bool given in format_date() (line 2073 of /home1/montes/public_html/books/includes/common.inc).
• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /home1/montes/public_html/books/includes/common.inc).
• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in menu_set_active_trail() (line 2405 of /home1/montes/public_html/books/includes/menu.inc).