Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f7380137c98af9cda26306bf98e93574874fa5900027a87f58cd111ba354b2f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^