phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2c4ea1d496fc71d3b303d573dee269fe' 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 ('2c4ea1d496fc71d3b303d573dee269fe', -1, 1757951602, 1757951602, 'd849d822', -4, 0, 0)

Line : 187
File : sessions.php