Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75e330b79a12a0e7cf8cd7a5638d80c5b1c6b306b56df6e032441feef1ff31cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^