OK understood.
For my printer “SV06”, sovol offered the profiles to be able to install but warning us about: *This method is available on the version of Cura V5.1.1 and above, the old version of Cura may cause import failure."
I’ve edited the uranium.pot file for your Cura version.
Could you try adding the ones from the link below and see if it works for you.
Cura V4.5 profiles Sovol
Add the contents of the “definitions, extruders and i18n” folders and paste them inside the folders with the same name, which are in “resources” in the installation path of the program: Program Files/Ultimaker Cura 4.5/resources