Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cfaa68d73ac03542c21ed04430fc1acbb5c7e031abe2494cd837406c7f8f4b8c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^