Error message

• Notice: Undefined index: uri in custom_blocks_site_header() (line 663 of /home/mount/hdd/www/antikinoteatr.com/public_html/sites/all/modules/custom/custom_blocks/custom_blocks.module).
• Notice: Undefined index: uri in custom_blocks_site_footer() (line 893 of /home/mount/hdd/www/antikinoteatr.com/public_html/sites/all/modules/custom/custom_blocks/custom_blocks.module).