phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8ade73b3752bd4eb760892438caf9f66' 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 ('8ade73b3752bd4eb760892438caf9f66', -1, 1768258167, 1768258167, '7f000001', -2, 0, 0)

Line : 187
File : sessions.php