phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5696a123112b07780e9a21096a156ca9' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('5696a123112b07780e9a21096a156ca9', -1, 1768206395, 1768206395, 'd849d81d', -4, 0, 0)

Line : 187
File : sessions.php