Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1dd4e4dbcf1e2240f80d3e469470fb4d05296c601c55d3d14a6315d530caa11c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^