MY device runs Android 7 but twrpdtgen gives an error, so is there any older version?

[IvanIsOK]

heres what twrpdtgen says,
TWRP device tree generator
Version 3.0.0

[INFO] Cloning AIK...
Traceback (most recent call last):
File "", line 203, in _run_module_as_main
File "", line 88, in _run_code
File "/home/ivan/.local/lib/python3.14/site-packages/twrpdtgen/main.py", line 11, in
main()
~~~~^^
File "/home/ivan/.local/lib/python3.14/site-packages/twrpdtgen/main.py", line 37, in main
device_tree = DeviceTree(image=args.image)
File "/home/ivan/.local/lib/python3.14/site-packages/twrpdtgen/device_tree.py", line 66, in init
self.device_info = DeviceInfo(self.build_prop)
~~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/home/ivan/.local/lib/python3.14/site-packages/sebaubuntu_libs/libandroid/device_info.py", line 122, in init
self.codename = self.get_first_prop(DEVICE_CODENAME)
~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/home/ivan/.local/lib/python3.14/site-packages/sebaubuntu_libs/libandroid/device_info.py", line 189, in get_first_prop
raise AssertionError(f'Property {props[0]} could not be found in build.prop')
AssertionError: Property ro.product.system.device could not be found in build.prop, It means my device doesnet have that variable becuase its too old?