Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf3b59b09de6dae1523dca820cf0a3273571630be1c5e4dd412d3066cd23c1eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^