Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f95d2dd895e677f990ff0ef20810d4487d8f99c171c9b22c6434e2f5ba3290df:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^