Error message

• Notice: Undefined offset: 0 in mainsitesettings_read_more_block() (line 1771 of /home/admin/web/test.ru-best.com/public_html/sites/all/modules/_custom/mainsitesettings/mainsitesettings.module).
• Notice: Trying to get property of non-object in mainsitesettings_read_more_block() (line 1771 of /home/admin/web/test.ru-best.com/public_html/sites/all/modules/_custom/mainsitesettings/mainsitesettings.module).
• Notice: Undefined offset: 0 in mainsitesettings_read_more_block() (line 1772 of /home/admin/web/test.ru-best.com/public_html/sites/all/modules/_custom/mainsitesettings/mainsitesettings.module).
• Notice: Trying to get property of non-object in mainsitesettings_read_more_block() (line 1772 of /home/admin/web/test.ru-best.com/public_html/sites/all/modules/_custom/mainsitesettings/mainsitesettings.module).