Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1c4eadb105573588898003b57f8e1030acab2be3dfd72a9927cdba16321305cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^