Regarding of Error 4,6,7 & 9

Hi gurus

I have some doubts in Load monitoring

could you please some budy help me.

Here iam mentioning my doubts

1.what is Error 4,6,7 & 9

2.Actually iam in load monitoring. Here iam facing the error of Source system error. why should it occours frequently.

For the overcome of this problem what can i do.

Rgds

Giri