When attempting to open the HydraCALC pipe sizer in order to use the Pipe Scheduler in HydraCAD, you get an error indicating that a newer version of HydraCALC is required. It will indicate that v50.43 or newer is needed, but the user may be on a newer version already.

Step 1A.1 - Runtime error 13 type mismatch

File name asked for does NOT exist

FitExch.dat 1A.1

Step 1a.10 - "Attaching Node 2 Elevations" User ID Duplicated Dwg ID Dup for User ID

Duplicated hydraulic ref points

When trying to insert a Hydraulic demand block (Compact/Standard/Expanded) (IHD command) and after selecting the .WXF file to use;

You get the error message;

Error: bad argument type: numberp: DATAFILE

And the command kicks you out.

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