Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fd9092c3accbaf854f8a49ab11b33d89a09a216a440d12e914ecdcc9ada5400b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^