phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b5edb7980214c251e4db6865b90044a2' 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 ('b5edb7980214c251e4db6865b90044a2', -1, 1770430103, 1770430103, 'd849d88f', -4, 0, 0)

Line : 187
File : sessions.php