Errors after updating to latest revision on Windows 7

[Cesar Romani]

I've updated TeXLive 2020 to the latest revision.
After doing 'fmtutil-user --all' I get

[...]
===========================================
Local configuration file hyphen.cfg used
===========================================
(c:/texlive/2020/texmf-dist/tex/generic/babel/hyphen.cfg
(c:/texlive/2020/texmf-dist/tex/generic/hyphen/hyphen.tex)
(c:/texlive/2020/texmf-dist/tex/generic/hyphen/dumyhyph.tex)
(c:/texlive/2020/texmf-dist/tex/generic/hyphen/zerohyph.tex)
! I can't find file `dehypht-x-2019-04-04.tex'.
<to be read again>
                    \relax
l.200   \repeat
No pages of output.
Transcript written on jadetex.log.
fmtutil [INFO]: log file copied to: 
c:/users/caesar/.texlive2020/texmf-var/web2c/pdftex/jadetex.log
[...]
fmtutil [INFO]: total formats: 59
fmtutil [INFO]: exiting with status 22
C:\texlive\2020\bin\win32\runscript.tlu:915: command failed with exit 
code 22:
perl.exe c:\texlive\2020\texmf-dist\scripts\texlive\fmtutil.pl  --user --all

I never had these errors before. How can I get rid of them

-- 
Cesar