Here is the error I got. I am using fits 1.5.0
2021-10-06 08:44:36 - ERROR - Fits:648 - Caught exception while waiting for tools to finish running: null
java.lang.InterruptedException
2021-10-06 08:44:44 - ERROR - Jhove:130 - Jhove error while processing si2.svg: org.jdom.input.JDOMParseException, message = Error on line -1: Premature end of file.
2021-10-06 08:44:48 - ERROR - Jhove:130 - Jhove error while processing si4.svg: org.jdom.input.JDOMParseException, message = Error on line 2487: The markup in the document following the root element must be well-formed.
2021-10-06 08:44:48 - ERROR - Fits:677 - Tool error processing file: si4.svg
Jhove error while processing si4.svg (Error on line 2487: The markup in the document following the root element must be well-formed.)
edu.harvard.hul.ois.fits.exceptions.FitsToolException: Jhove error while processing si4.svg (Error on line 2487: The markup in the document following the root element must be well-formed.)
at edu.harvard.hul.ois.fits.tools.jhove.Jhove.extractInfo(Jhove.java:132)
at edu.harvard.hul.ois.fits.tools.ToolBase.run(ToolBase.java:284)