Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> eb48b0f86bfd6c14d096f9547b05e4eefa5a806f2b4f29e977b8c436cf21f237:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^