Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f9082e75881dc474582fb62bfc609bdd7d71f12af155bb609d5b30245ae48bb:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^