Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 399b02f60b3eb4505e349ac23385d342c5a79fd8a0d39b998c8e433e8e9b1dde:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^