Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1fce9cd0c2e9411073d81b7600f273cb73f0e49a5e0ad2774e0a59b08eab0716:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^