Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 846410c8bb70f5d4d138f60da6a6f4b0d0b6cd292934aeceb5a803de3bae14df:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^