Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be420edd72b7f28cec77900e9301d57a678974fdad9a149f8f58150e7d10e16a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^