Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f7cac8770bf4178bfc93b57c3cca4e2c71178bd149770cc3f2dd0821fe61e628:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^