Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 63f013edd6d32a290e80fd66bc1f39b2887a6a04add78ab2e12da50b9d00cb11:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^