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Issue
 

When attempting to open the Manage Data Connections window, the following error is received:

 

An Unhandled Exception occurred.

A previous action may not have completed successfully.

Click OK to send the development team the error log so that we can fix this error in a subsequent release.

 

 

Environment

 

• Alteryx Designer
  • All versions
• Windows Operating System

 

Diagnosis 

 

While the above error can occur in another context, this resolution is specific to encountering the error while opening the Manage Data Connections window under Options > Advanced Options > Manage Data Connections.

 

Cause

 

The GalleryAlias.xml file is corrupted or the file cannot be decrypted.

 

Solution A

 

1. Close Designer
2. In File Explorer, navigate to %APPDATA%\Alteryx\Engine
   • The actual path will vary, but it will take the following form:C:\Users\your_username\AppData\Roaming\Alteryx\Engine
3. Delete the GalleryAlias.xml file

 

4. Restart Designer

 

Solution B

 

1. In Designer, navigate to Options > Schedule Workflow
2. Remove all Gallery links by clicking the Trash icon to the right side of the Gallery name.

3. Close the Designer

4. Repeat steps 1-4 under Solution A

5. Re-add your Gallery(s) under File > Save As > Add a Gallery.