Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 316c688be89f6d6cce9c3c8678b03eceb79c82a680b862aa5980f2f76017e4dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^