Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21ebf7d3b6f67b8d23f8b1e9a4f254a03a0c417a0d020137ce620922b6af0118:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^