phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '52c99da1d85e8d093551929bffe1597e' 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 ('52c99da1d85e8d093551929bffe1597e', -1, 1775791663, 1775791663, 'd849d872', -4, 0, 0)

Line : 187
File : sessions.php