Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1d90a01e7a4efb61bb3d56f71643cd7672b3ee57fb601920cc1a9c818f773ff2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^