Hello,
Apparently libphonenumber on x32 and sh4 is still depending on an old version of src:icu library (bin:libicu60) that doesn't exist in the archive anymore.
Could you please binnmu it?
nmu libphonenumber 7.1.0-5 . sh4 x32 . -m 'Rebuild against libicu63'
Thanks
Laurent Bigonville