phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6ef87b139653a0113427757482a89309' 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 ('6ef87b139653a0113427757482a89309', -1, 1752242265, 1752242265, 'd849d86f', 46, 0, 0)

Line : 187
File : sessions.php