Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7d9953ce4ef80ce7891647f913fe8eb50e02518cdcb8de89f614309fd131cd12:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^