phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '52754d389627e51ae14341a3f9023c88' 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 ('52754d389627e51ae14341a3f9023c88', -1, 1770707262, 1770707262, 'd849d88f', -4, 0, 0)

Line : 187
File : sessions.php