Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b9bcd06764ad57c5561a4b3b0d505c0659f5ab2be8e2ed1ae4dca64f87f95569:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^