Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 302609a2d0cd719326a56260ccda3596ad97b6279973a41793796cb1cdf7f31d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^