Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2af8e28e7fc3e8b28d42dbc725797b567cd64bd500593b7eb95917744673ec6d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^