Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da8a82645151f615d8c8fba72bebeac8bddbec92ce7b30b4bdd885f5e23d90ea:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^