Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 69b4be83dfba11e2821f20a74fb4183fe2313c1da527fdbaa6d3012e987da11e:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^