Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ad03a3d968f9e08a0f72676f2ad75d94b261869879a6dbd5bacb65b0ad918633:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^