Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21f3d98916dc3c1a062d26c6674b4225d696bf8cf0dfe7fbb1363584bb998711:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^