Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f16daec2f3fb8d1b1e156d557bd13791e687b5bacd00839d86cecdfc3e61589:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^