Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa83bd146b1d7043272c9885223e5045c6d0de71a4d5c706a624da56248ce56c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^