Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2b05e98ff019d460eb95d67b959d014e59b78d6f4dbb1c58c45db14efe0054df:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^