Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec7388680f5e9b56f758290eb197fcf4ba27c0772f5711a5cf04027fed118ef4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^