phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c1e7939390d678cf103db15080e6b929' 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 ('c1e7939390d678cf103db15080e6b929', -1, 1763763262, 1763763262, 'd849d866', -4, 0, 0)

Line : 187
File : sessions.php