phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '86c9b890e6adc881f4504828d3e615da' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('86c9b890e6adc881f4504828d3e615da', -1, 1715864153, 1715864153, '0387bb6a', 19, 0, 0)

Line : 187
File : sessions.php