Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6c76f37d337163295c9babe28d826e92ba20f8da0d8bf1f3be5fbfb1bba39026:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^