Inventor VBA system error &H8007003B

[r.paauwT7BR9]

Hello,

In Inventor I have a macro that uses a UserForm. The userform has buttons to select the option to perform stepfile export on a single or on multiple open .ipt or .iam. Most of the times the macro runs without problems. But sometimes it has a Run-time error "7": could not find specified object. When pressing debug, the code

Set oUserform = New oUserform is marked.

Code sample:

dim oUserform as oUserform

set oUserform = New oUserform

When trying to open oUserform the System Error &H8007003B (-2147024837) appears. 

Can someone help me understand this problem?

[yan.gauthier · Accepted solution]

Simply call your form using the method myform.show

If your form name is StepExportForm, then in your code, you would call StepExportForm.show

[r.paauwT7BR9]

Sorry for the late reply.

Your solution means I do not have to declare the form first? 

[yan.gauthier]

You should have created your form in the VBA editor. You don't need to declare it. simple call the show method