Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da78a2983c68b63e92d64079c51af2fb1c3d149c660cc102dcc0569d3926e00d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^