phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('e8781655d4265aa6e98a4978e6532c98', -1, 1579311531, 1579311531, '12ce0c4f', 61, 0, 0)

Line : 187
File : sessions.php