phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '239c76caa56a52f83be4150dc31ac1d1' 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 ('239c76caa56a52f83be4150dc31ac1d1', -1, 1766527403, 1766527403, 'd849d8a2', 1, 0, 0)

Line : 187
File : sessions.php