Error message

Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 20 of /usr/home/aelman/public_html/richardelman.org/includes/file.phar.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).
Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /usr/home/aelman/public_html/richardelman.org/includes/common.inc).