phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '77994016e7b1d0f26dd53bb14c9b0b67' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('77994016e7b1d0f26dd53bb14c9b0b67', -1, 1769456114, 1769456114, 'd849d83c', 5, 0, 0)

Line : 187
File : sessions.php