phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'becfb8de659e7c3a16c63a5dbd9eddae' 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 ('becfb8de659e7c3a16c63a5dbd9eddae', -1, 1768043034, 1768043034, 'd849d8a2', -10, 0, 0)

Line : 187
File : sessions.php