phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e88a257af1c6f231aee8c22c6c23aaa1' 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 ('e88a257af1c6f231aee8c22c6c23aaa1', -1, 1789063604, 1789063604, 'd849d892', 0, 0, 0)

Line : 187
File : sessions.php