phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5c6a8f9f5548f2e51712d01f8953cbdf' 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 ('5c6a8f9f5548f2e51712d01f8953cbdf', -1, 1715764455, 1715764455, '030f8dce', -4, 0, 0)

Line : 187
File : sessions.php