Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc9f1a1b6c5fafd91e8a32082e9310e488a087971c66eaf0d470de2da9e1e36d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^