Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 86c61dea2fd6429e97fcba74eb65356a1fb1cffe8feb78e41b029d62031015eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^