Drawing seems fine with no errors but opens to a blank HydraCALC screen

System seems to hang at this step, but eventually shows the error;

Hydraulic Calculation - The system flow demand of ####.## exceeds the maximum rated flow as indicated in the Pump Curve for the pump with the inlet of PI and outlet of PO.

The calculation will not continue Calculation failed for an unknown reason

May not be 1a.3 or 2.3, could be anywhere along here.

Water supply test point not connected to a pipe. Reinsert water supply\test point

None

3D Flow diagram missing direction arrows and flows

After calc Area # is picked, dialog box runs through gathering information and closes with message "Failed to create file to send to calcs....Exiting"

Runtime Error 457 - This key already associated with an element of this collection

"Hydraulic Engine not responding" and then an "Error 62 input past end of file" usually happens on 2nd area run through

Unhandled Exception: Index was outside the bounds of the array

x Zero length pipes found in system model YES will cancel... No will allow...