phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1d12e05a1f71efa7f6f86db961351c57' 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 ('1d12e05a1f71efa7f6f86db961351c57', -1, 1767190770, 1767190770, 'd849d82e', -4, 0, 0)

Line : 187
File : sessions.php