phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b3dd6b5283ed312083f2d3eb1f488434' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b3dd6b5283ed312083f2d3eb1f488434', -1, 1768151782, 1768151782, 'd849d889', -4, 0, 0)

Line : 187
File : sessions.php