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docmd.openform Invalid database object reference

docmd.openform Invalid database object reference
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I have a problem and I hope you will agree to help me.

After modifying database links (front end to new backend),
one form does not open and generated reference error 3276.

I open the form by clicking on tree control node.
but It does not open directly from DB window.

but, If I compact & Repair the file it opens correctly.

What should I do in order to ovoid this error ?

Private Sub menuTree_Click()
Dim strcrit As String
stricrit = menuTree.SelectedItem.Key
DoCmd.OpenForm stricrit End Sub
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I have spit database
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I have a DB that was in use on one computer. Now, I need to set it to work simultaneously on two computers.

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In my database, I'm having an issue where if a user opens too many forms with massive numbers of SQL statements and table references, they'll get error 3276 - Invalid database object reference whenever they try to open another form or if any VBA code executes CurrentDb.OpenRecordset.

This message happens with any table or query that would otherwise open without issues.

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