Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6b4837287d131a54dac402dba056cbafb6194089a2d6f1f44fa183cfbaa871bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^