Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78d72337f68e2e00f9b3d3d32b87c6d2de00b0cbbc347c050162e0a37baf7dda:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^