Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 687531398db943b7ded1588e8e723b14981816f2a25ea21e1ef2168318d4069c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^