Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3b31840975d4d0bf6ab238a1a2df16b03f60fc285843ba1552f5b583742c96e2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^