Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4980fbcdf3e8d1cffaea9367087f4c104e192e788b9b5fa0fe6c2aef62397034:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^