phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9782c20dd6fbca826467331fd0f600ea' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9782c20dd6fbca826467331fd0f600ea', -1, 1772453941, 1772453941, 'd849d813', 2, 0, 0)

Line : 187
File : sessions.php