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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.
Windows Operating System
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.
The GalleryAlias.xml file is corrupted or the file cannot be decrypted.
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
Delete the GalleryAlias.xml file
4. Restart Designer
In Designer, navigate to Options > Schedule Workflow
Remove all Galleries by clicking the Trash icon to the right side of the Gallery name*