Version: 1.3.21
Steps to reproduce: I tried to add a new publication from file or from the corresponding URL but the window disappears (doesn't crash) and a new publication with no title nor data is added. The publication I tried to add is attached.
Results: the window is hidden and a new publication with no data is added to the bibtex file.
Expected results: a new publication with the data contained in the file should be added.
Publication file not correctly added to the list.
The problem is that this is invalid bibtex. In particular, accented characters are not allowed in a cite key. Also, there are multiple "keywords" fields, which is also wrong.