Confirmation link for petition is broken

confirmation link for the petitions throw below error:

http://cv44/civicrm/petition/confirm?reset=1&cid=341&sid=6&h=00c934ca65516be9&a=718&p=3

DB Error: constraint violation

Database Error Code: Cannot add or update a child row: a foreign key constraint fails (`civicrm_44`.`civicrm_group_contact`, CONSTRAINT `FK_civicrm_group_contact_contact_id` FOREIGN KEY (`contact_id`) REFERENCES `civicrm_contact` (`id`) ON DELETE CASCADE), 1452
Additional Details:
Array
(
[callback] => Array
(
[0] => CRM_Core_Error
[1] => handle
)

[code] => -3
[message] => DB Error: constraint violation
[mode] => 16
[debug_info] =>
REPLACE INTO civicrm_group_contact ( group_id, contact_id, status )
VALUES
( 26, 341, 'Added' ) [nativecode=1452 ** Cannot add or update a child row: a foreign key constraint fails (`civicrm_44`.`civicrm_group_contact`, CONSTRAINT `FK_civicrm_group_contact_contact_id` FOREIGN KEY (`contact_id`) REFERENCES `civicrm_contact` (`id`) ON DELETE CASCADE)]
[type] => DB_Error
[user_info] =>
REPLACE INTO civicrm_group_contact ( group_id, contact_id, status )
VALUES
( 26, 341, 'Added' ) [nativecode=1452 ** Cannot add or update a child row: a foreign key constraint fails (`civicrm_44`.`civicrm_group_contact`, CONSTRAINT `FK_civicrm_group_contact_contact_id` FOREIGN KEY (`contact_id`) REFERENCES `civicrm_contact` (`id`) ON DELETE CASCADE)]
[to_string] => [db_error: message="DB Error: constraint violation" code=-3 mode=callback callback=CRM_Core_Error::handle prefix="" info="
REPLACE INTO civicrm_group_contact ( group_id, contact_id, status )
VALUES
( 26, 341, 'Added' ) [nativecode=1452 ** Cannot add or update a child row: a foreign key constraint fails (`civicrm_44`.`civicrm_group_contact`, CONSTRAINT `FK_civicrm_group_contact_contact_id` FOREIGN KEY (`contact_id`) REFERENCES `civicrm_contact` (`id`) ON DELETE CASCADE)]"]
)

After fixing this error verify/fix webtest: WebTest_Campaign_PetitionUsageScenarioTest