Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 692812b575dde6bf7416f06cf00f8199aab8a4da4d8f2438f3aa5ea37a193a98:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^