Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4345074d8269b4c0d2a70bcb9f33f444d5b5391273af4c6876a4176b02ab8a30:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^