Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 199cf2d3459290e46ded8fa821bfc10d49673ef89cc399dba3bac95035aabea2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^