Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b98bf3409f4bcd1f1c0de1db465a538845573e525b1fc8c9849c8bac12eb777f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^