Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2bb4c22d1770763ce4d55084dc127c1eb67a18ccbe96d7743a4091641277fd1a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^