Error opening .STM file - ERROR: Jet Error #3265 Item not found in this collection. Unable to start StormCAD.

Product(s): StormCAD, CivilStorm, SewerGEMS
Version(s): CONNECT Edition
Area: Modeling

Problem

When trying to open a .STM file, the following error is generated: ERROR: Jet Error #3265 Item not found in this collection. Unable to start StormCAD.

Solution

This is a generic issue which can occur if there is some problem with interpreting the .STM file.

First, ensure that the STM file is indeed a StormCAD 5.X model file as that is what the STM file open format supports. There are other software vendor products that save to this same file format (such as AutoDesk "Storm Sewers for AutoCAD") which is not supported. (see additional article listed further below).

This could also occur due to a known issue that has been seen in version 10.03.xx.xx of the storm and sewer products. If there is a later version of the product available, download the latest version and you should be able to open the file without issue. 

The file can be opened in older versions of the storm-sewer products, like 10.02.03.03. If using this workflow is not possible, please contact Bentley Technical Support to help with the conversion.

See Also

Opening old StormCAD .STM and SewerCAD .SWR files

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