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Crystal Reports 4.6 and the notorious automation error -2147417848 The called object disconnected from its clients

I am upgrading a DAO application from 16-bit VB3 to 32-bit VB6 (yes, this is 2014, do not ask ..) Using the VB6 SP6 + Crystal Reports package shipped with VB6 (version 4.6).

The application has several forms that create reports. I had a Crystal Reports control for each form that generated reports.

In my Dev machine, which has all the correct OCX and DLLs for CryRpt, the reports worked sometimes, but I got the indicated error in this scenario:

  • Open form 1 and type something

  • Open form 2 and type something

  • Close Form 2

  • Return to Form 1, and when you try to print, you will receive a Disconnected item from your clients

  • If you reopen form 2 (or another form with the Crystal Reports control on it), form 1 may start printing again while the new form is open

  • In all of this, everything opens and closes that ultimately crashes with an unpleasant Windows error message (including the VB IDE).

All the best, Pedro

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I found a job that I would like to share if someone else comes across this.

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