phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8da7c87b0e46e681a851a80c3f0e7911' 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 ('8da7c87b0e46e681a851a80c3f0e7911', -1, 1762329519, 1762329519, 'd849d887', 55, 0, 0)

Line : 187
File : sessions.php