Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18d301b39caf308a60f7defaa3d3d9e533f6e2ae70f821379c0332667bda3518:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^