If you convert OpenSuse-based ISOs to .imgPTN23 files using the MPI Tool Kit (v0.103 or previous) you may see this error when you UEFI-boot.
This issue should be fixed if you use MakePartImage v0.104 to make the .imgPTN23 file (for UEFI).
Workarounds:
- In the OpenSuse boot menu – select the menu entry and then press ‘e’ to edit it – then change the string LABEL to CDLABEL. Then press F10 to boot. See screenshot above.
- With the .imgPTN23 file switched in, edit the \boot\grub2\grub.cfg file and replace all occurrences of :LABEL with :CDLABEL. This will permanently fix the issue.
- Don’t use a .imgPTN file – just directly UEFI-boot to agFM and then select the ISO file or use ‘Ventoy for Easy2Boot’.
Note: Legacy booting is not supported by the .imgPTN file.