Lost connection to MySQL server during query<br>select sum(infos) as total from ***_enewsclass where classid in (13,44,122,123,124,125,126,127,128,129,130,131,132,145,212,213,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256)