Error while adding new contact

Error while adding new Individual or household or organization contact
the error occurs only when note is added to note contact

Ex.
step 1: http://192.168.2.9/drupal/civicrm/contact/addI?c_type=Individual&reset=1

step 2: Give first name and last name

step 3: enter note for individual contact

step 4: hit "Save"

u ll get following error
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warning:Invalid argument supplied for foreach() in /home/manish/svn/crm_v1.1/CRM/Contact/BAO/Contact.php on line 1086.

warning:Cannot modify header information-headers already sent by (output started at /home/manish/Softwares/drupal-4.6.0/includes/common.inc:385)
in /home/manish/svn/crm_v1.1/CRM/Core/QuickForm/Action.php on line 75.
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same error is seen while adding HH and ORG with note..

Note that, the contact which is added is saved in the database.