phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c4a6d3a69eec558d612e2dca29e571b7' 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 ('c4a6d3a69eec558d612e2dca29e571b7', -1, 1715767938, 1715767938, '12756148', 0, 0, 0)

Line : 187
File : sessions.php