Error message

Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in FieldCollectionItemEntity->fetchHostDetails() (line 313 of /var/www/html/kljuc.rs/public_html/sites/all/modules/field_collection/field_collection.entity.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/kljuc.rs/public_html/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/kljuc.rs/public_html/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/kljuc.rs/public_html/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/kljuc.rs/public_html/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/kljuc.rs/public_html/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/kljuc.rs/public_html/includes/common.inc).
Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /var/www/html/kljuc.rs/public_html/includes/common.inc).