Problem with using ReaxFF potential for SiO2

Dear Lammps Community,

I am trying to obtain amorphous SiO2 using ReaxFF potential:
“ReaxFFSiO Reactive Force Field for Silicon and Silicon Oxide Systems”, J. Phys. Chem. A 2003, 107, 3803-3811.

The ReaxFF potential seems to be not working properly for my system as atoms fly away.

Could you please give me a hint where the problem could be?
Data file created in TopoTools is attached.

data.quartz (5.47 KB)

Dear Lammps Community,

I have solved the problem. Sorry for sending the email twice.

Best Regards,
Evgeniya