Error message

• Notice: unserialize(): Error at offset 35 of 35 bytes in variable_initialize() (line 1252 of /home/rilcocom/drupal.rilco.com/includes/bootstrap.inc).
• Notice: unserialize(): Error at offset 27 of 27 bytes in variable_initialize() (line 1252 of /home/rilcocom/drupal.rilco.com/includes/bootstrap.inc).