phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1f1a07201be517d9559b80e9e2c4592' 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 ('a1f1a07201be517d9559b80e9e2c4592', -1, 1752542268, 1752542268, '2e251811', -2, 0, 0)

Line : 187
File : sessions.php