[QE-users] FoX: xml_AddCharacters Error

[Mr. Sheharyar Pervez RA FES]

When running an scf calculation on QE 6.4.1, I get the following from FoX:
ERROR(FoX)
xml_AddCharacters: Invalid character in chars

The calculation runs fine but no xml file is generated.  the following files are created:

.
├── kgec.in
├── qmof-f2ae0a5.save
│   ├── charge-density.dat
│   ├── data-file-schema.xml
│   └── paw.txt
├── qmof-f2ae0a5_scf.in
├── qmof-f2ae0a5_scf.out
└── qmof-f2ae0a5.wfc1

I'm not sure where this invalid character comes from because the entire input file is in standard ascii format. How to go about solving this?
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