<!-- Note: Please use the GitHub issue tracker only for bug reports. Feature requests, questions and general feedback is now handled at http://discourse.jabref.org. Thanks! JabRef 5.0-alpha--snapshot--2019-08-25--master--0fb7f5ae0 Windows 7 6.1 amd64 Java 11.0.4-bellsoft - [+] I have tested the latest development version from http://builds.jabref.org/master/ and the problem persists <!-- Add a clear and concise description of what the bug is. --> Steps to reproduce the behavior: 1. open the preference dialog 2. the error message is immediate <!-- If applicable, add excerpt of the bibliography file, screenshot, and excerpt of log (available in the error console) --> <details> <summary>Log File</summary> ``` ```  </details>
Steps to reproduce the behavior:
Log File