Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2de72d2eea0676303869298862bde6115a9cbd3fa6b0981db5f01e5f434c5742:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^