Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9f070d5a43370fdc422afb42b312d33e86d665424a0077b54dc2dfe247eb6a1d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^