phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fc9c0f2539c16cb0146884ce82053a52' 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 ('fc9c0f2539c16cb0146884ce82053a52', -1, 1766656490, 1766656490, 'd849d813', 2, 0, 0)

Line : 187
File : sessions.php