Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c05bf503b407c0c90b9b46ecd547d4780421d6c84c8940dc3ec4d6a12ef002a2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^