phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3bb39a7e00751209513a2ec3007dee3c' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3bb39a7e00751209513a2ec3007dee3c', -1, 1758035169, 1758035169, 'd849d863', 4, 0, 0)

Line : 187
File : sessions.php