Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 88ecca59bf920ad6f41989cd7fbdb00102e47d04e4d3faf602b129d9c2b8171c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^