Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f39133358901ece4ddf7ea2bb4d0958fa308151e4be9dcdc6828f6347ddc8724:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^