Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a12012e8a8e73b649688a4c2130f5a3bca883bc4370664223691b7d90785b03:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^