phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15a4a20adfa461681b52e5368a4ad7c2' 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 ('15a4a20adfa461681b52e5368a4ad7c2', -1, 1715841071, 1715841071, '12bc27b2', -8, 0, 0)

Line : 187
File : sessions.php