tuastad on "Errorlog returning numbers"

I get these on some pages:

[Fri Nov 29 11:53:15 2013] [error] [client x.x.x.x] 3711,3710,3713,3807,4245,4244,4242,4241,4240,4239,4235,4231,4232,4228,4227,4226,4224,4223

Pages load ok, but would like to figgure out what message is.

Ragards

Tore