Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa175561b2390a3f90ff502ad9ae3a71221dc7dd1d4bbf2b65f86056fe77bf7e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^