Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c9430abd471679d96a03c2b881e5d72c48769efff2fd6a41322ad0ddfbb26efd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^