Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1e71668a3d3d432a663d7eb60394af2d85be6c95a67f6724117a2727f56d61d9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^