phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9015b2c15bab6c1f6297d62f82bf166c' 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 ('9015b2c15bab6c1f6297d62f82bf166c', -1, 1711659870, 1711659870, '03eb8249', 5, 0, 0)

Line : 187
File : sessions.php