Compilation error due to TObject

Dear Experts
I am using TObject for my UObject class but when I compile it gives error on TObject.
Please suggest solution

Yasir@yasir-X270:~/sim/build$ which root
/home/yasir/Downloads/root/bin/root
yasir@yasir-X270:~/sim/build$ root --version
ROOT Version: 6.26/10
Built for linuxx8664gcc on Nov 16 2022, 10:42:54
From tags/v6-26-10@v6-26-10

yasir@yasir-X270:~/sim/build$ make clean; make -j2
[ 22%] Building CXX object CMakeFiles/sim.dir/UDataObject.cc.o
[ 22%] Building CXX object CMakeFiles/sim.dir/sim.cc.o
In file included from /home/yasir/sim/UDataObject.cc:36:
/home/yasir/sim/UDataObject.h:20:10: fatal error: TObject.h: No such file or directory
20 | #include “TObject.h”
| ^~~~~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/sim.dir/build.make:90: CMakeFiles/sim.dir/UDataObject.cc.o] Error 1
make[2]: *** Waiting for unfinished jobs…
In file included from /home/yasir/sim/UG4hit.h:7,
from /home/yasir/sim/action.hh:8,
from /home/yasir/sim/sim.cc:10:
/home/yasir/sim/UDataObject.h:20:10: fatal error: TObject.h: No such file or directory
20 | #include “TObject.h”
| ^~~~~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/sim.dir/build.make:76: CMakeFiles/sim.dir/sim.cc.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:84: CMakeFiles/sim.dir/all] Error 2
make: *** [Makefile:91: all] Error 2
yasir@yasir-X270:~/sim/build$