phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'acc3ecc375822b1f0141a7749a5b933a' 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 ('acc3ecc375822b1f0141a7749a5b933a', -1, 1765927725, 1765927725, 'd849d850', -9, 0, 0)

Line : 187
File : sessions.php