Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9be05aa2011e55243c97b17ff7089c913ef1320cd9f2cf35887b91dfe4e543ee:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^