phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dbcab2f787f6a1866aacfb875bb0febb' 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 ('dbcab2f787f6a1866aacfb875bb0febb', -1, 1762901232, 1762901232, 'd849d817', -4, 0, 0)

Line : 187
File : sessions.php