phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8890a70e3aaae1c07c11ff5d98fd53b0' 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 ('8890a70e3aaae1c07c11ff5d98fd53b0', -1, 1770276964, 1770276964, 'd849d813', 1, 0, 0)

Line : 187
File : sessions.php