Error message

• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Warning: A non-numeric value encountered in _simpleads_campaigns_complete() (line 120 of /home1/povo/public_html/sites/all/modules/simpleads/modules/simpleads_campaigns/campaigns.helper.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/public_html/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6604 of /home1/povo/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 /home1/povo/public_html/includes/common.inc).