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When opening a model, the following error message is generated:
"A procedure imported by 'Haestad.RealDWG.Interop, Version=8.4.0.50, Culture=neutral, PublicKeyToken=b4b808388021f6e' could not be loaded."
This issue primarily occurs because the latest release of SewerGEMS, SewerCAD, CivilStorm, and StormCAD are not supported for Windows XP. The RealDWG component required to open a DXF files as a background or for use in tools like TRex and ModelBuilder is no longer supported on Windows XP.
In addition, to the RealDWG component no longer being supported on Window XP, Microsoft has also discontinued support for Windows XP. For this reason the SELECTseries 4 release of the storm and sewer products are no longer supported on Windows XP either.
Please note that because of the prevalence of XP machines, you can still install the SELECTseries 4 releases on this operating system. However, it is highly recommended that you use a Windows 7 machine if possible.
The SELECTseries 4 release of the storm and sewer products support support Windows Vista, Windows 7, and Windows 8, among other operating systems. The best resolution to the issue would be to install the product on more current operating system.
The SELECTseries 4 release of the storm and sewer products will install on a Windows XP machine. If you have a current model that has a DXF file for a background, try moving the .stsw and the .stsw.mdb files (or .stsw and .stsw.sqlite files for the latest release) to a new folder location and try opening the model. It should open without an issue.
You will not be able to apply DXF background files to the model. In addition, DXF files used in ModelBuilder and TRex will generate error messages as well. Other modeling features will likely work okay, however please remember that installation on a Windows XP machine is no longer supported. For that reason, some unexpected issues may arise. For that reason, it is highly recommended that you install the program on a current operating system.