Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a89a3946e2f6012634e9778d6a87534a8216a7eb97ab50a3802c6f95dda03e4b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^