phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3953dec34a3f781aabe43b20a0c99327' 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 ('3953dec34a3f781aabe43b20a0c99327', -1, 1767235251, 1767235251, 'd849d803', 28, 0, 0)

Line : 187
File : sessions.php