Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0d1ad3913b04fbb2a0983eba725d75ab949cdc3bbc1dc747d75abba9bb4d0c1f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^