Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4870b44f744513fb170c6c0dc1ac8b5bb1b1720617bc0d0f2662de13a023e271:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^