Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3e52f798379ecb531309c9a12388918204106329878e096a3c3dae49f6f0df6e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^