Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78cf51b18cd86123d91d5d4598d878e75c2cd547b05e3d7efa2a8ed1240bc383:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^