Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 231f59084ff5519465fe519ae90c84f307d45246a1ec8c4ebb2ea74cbda121b9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^