Where did you do this - (change the type?)
- Did you do it in the top left \ global plate section?
- Did you then try and slice and print the 2nd plate?
If so - thats the issue, you can see under the “bolt” thats gold\orange that plates have been hardcoded to Textured PEI - changing it to anything else in Global wont matter for that 2nd locked plate - gcode will be coded for Textured.
The First plate - is NOT locked, so if you slice\print that - the GLOBAL plate setting will apply and if you math that top left setting to the correct plate in the printer - no Gcode error.
I can confirm, as expected, I get the same error - about gcode bla blah if I try and print this 3mf and printing the 2nd plate (coded to Textured) - with the HOT or COLD plate in the printer and not the Textured PEI plate.