Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a87c0eded4b80d6a0e6dd95554ae7d8767103c53d003fa81633348dd2340faf2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^