Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a75411baf051b9b9e56978298a0e46a87a94610c0a35f7346a70624791c2dc3e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^