Zathura does not open PDF regularly with mupdf, printing an error message reported below. Zathura was invoked from command-line, with no options and a single argument (the pdf file).

Error message:

error: Could not find 'zathura_plugin_5_6' in plugin /usr/lib64/zathura/libpdf-mupdf.so - is not a plugin or needs to be rebuilt.
error: Found no plugins. Please install at least one plugin.
error: Could not determine file type.

Reproducible: Always

Steps to Reproduce:
1. install zathura zathura-pdf-mupdf
2. open a PDF file with zathura
Actual Results:  
Message

error: Could not find 'zathura_plugin_5_6' in plugin /usr/lib64/zathura/libpdf-mupdf.so - is not a plugin or needs to be rebuilt.
error: Found no plugins. Please install at least one plugin.
error: Could not determine file type.

is printed.

Expected Results:  
Zathura successfully opens the PDF file.

Also tested in virgin toolbox with above-mentioned packages.