phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fcb6061411b3f2b0ddfe56caf3debbb2' 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 ('fcb6061411b3f2b0ddfe56caf3debbb2', -1, 1756244350, 1756244350, 'd849d8b6', 17, 0, 0)

Line : 187
File : sessions.php