Symptom

While opening a document file with BarTender Designer, Error Message #3324 appears:

Environment

BarTender Designer

Solution

This error occurs because the label document you are trying to open has a version that is higher than the current Bartender version installed on your computer (e.g., attempting to open a label document created from BarTender 2021 with BarTender 2019). To fix this issue, the template file needs to be resaved as a backward compatible version with the following steps:

1. Locate the .btw label document file within Windows Explorer then open the file with a Notepad
   
2. Once the label document is opened with Notepad, you will see CompatibleVersion that indicates the BarTender version required(or higher) to open this file:
   
   
3. Open the label document with a supported version of BarTender Designer then go to File > Save As and select the version of BarTender you would like this label document to be backward compatible with: