Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> efa0b02be34f35e51894d592c910d56161b57fab1d51e581d1f0b3c89a9331de:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^