Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 86ce22e44baf997511c49db95e8d7b8cf386a398548339d3873ba0b0b1d47f64:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^