Error opening model file: "Object reference..." and "Be sure to provide a database format that is valid for WaterGEMS CONNECT Edition Update 1"

Product(s): WaterGEMS, WaterCAD, HAMMER
Version(s): 10.01.00.72
Area: Layout and Data Input

Problem

The following error message is occurring when opening a older model file in WaterCAD or WaterGEMS CONNECT Edition Update 1:

Object reference not set to an instance of an object.
Note: Be sure to provide a database format that is valid for WaterGEMS CONNECT Edition Update 1.

Solution

First, try opening the model with the 32-bit version of the program. You can access this by going to C:\Program Files (x86)\Bentley\WaterGEMS\WaterGEMS.exe (for file path will be similar for WaterCAD or HAMMER). 

If this doesn't help, this issue can occur when a certain condition existing in the model database file (reference #803172) This issue has been fixed with a patch set for WaterGEMS, WaterCAD and HAMMER CONNECT Edition Update 1 and in all later versions of the products. If they are available, please download and install the latest version using the steps in the following link: Downloading OpenFlows Software.

If you cannot upgrade or if an update is not available, please contact technical support for more information.

Anonymous
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