phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bd7a2546e16f9b56320c8b128ed87bff' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('bd7a2546e16f9b56320c8b128ed87bff', -1, 1766064923, 1766064923, 'd849d8d7', -4, 0, 0)

Line : 187
File : sessions.php