Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a69afd15a10d4fa28d7b945f11c8c7191e16d177555528c4068a7c3eb0eeddde:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^