Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cb7a9452be82e4d1d6ff8f6c3892fd370a60ed83e988e806f96ce902cb9f5ec7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^