Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d96e4262b017be0a2a575c256d1e2b2e328996a604bd5eae246cd75accb2c61e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^