Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8beac44f443825fd3f9b8f084b5c5b523dc7843dd391ef57b9d7031f2bcca977:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^