phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15a9a7a23423ebb082994f3ff0b81ee5' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('15a9a7a23423ebb082994f3ff0b81ee5', -1, 1715255928, 1715255928, '12ddf5c4', -8, 0, 0)

Line : 187
File : sessions.php