Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dbe4103687834f57b8c1f0d2421b4ae3b09194037897cfa629d17fdd4f514d96:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^