Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fb9e897aa90d005889ac691cff890cb1251b84d33b1577169b34a27e3afc9929:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^