phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b311b4ff10450fb3563e6573533d16b3' 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 ('b311b4ff10450fb3563e6573533d16b3', -1, 1766230454, 1766230454, 'd849d819', 2, 0, 0)

Line : 187
File : sessions.php