phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c50e997131d770d72c1d5b3fa1d4597b' 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 ('c50e997131d770d72c1d5b3fa1d4597b', -1, 1714052641, 1714052641, '12e3e45f', 15, 0, 0)

Line : 187
File : sessions.php