Parsing error when converting Lightroom exported ultrahdr

[AdamMhm]

ultrahdr_app -m 1 -j testp3.jpg -f metadata.cfg xml parse error, could not find attribute hdrgm:Version

When trying to convert a lightroom exported ultrahdr jpg to get a google ultrahdr metadata compliant version there is a parsing error. Source photo included.

test p3_.zip

[koto]

This might be the same issue as #116. @AdamMhm, is there a way in Lightroom to export an UltraHDR with a 1-channel gainmap?

[ram-mohan]

Basing on the notes in, https://github.com/google/libultrahdr/issues/116#issuecomment-2287995683, this can be marked for closure.