Comment 19 for bug 1548206

> I do not have hspell installed.

> Hspell: can't open /usr/share/hspell/hebrew.wgz.sizes.

The above lines says that you do have it installed but don't have the dictionaries. Please either uninstall it completely or install the dictionaries and check if its still giving warnings.

https://packages.ubuntu.com/hirsute/amd64/hspell/filelist shows the list of files installed on your system if hspell is installed.