Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8eb3296eb88368ccaaaa98694643a611b2a1cc49947ecb80641b5292e61fe26d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^