Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f81a6ef6a7bfb9444d0a255afd22a2cac35d9cfa8d97c229918510af069acd9c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^