Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b7b0a389885f8ed5c4591f2a5e3ac53531005fddef8159c229cd7714919cce9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^