Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 417eedd13663cf7c8eb4eff73f8d60865aff0aea111f0ffe308611def545cff7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^