Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 221e72718fb45091a9661e78feb30d2366c6c1241dcd59ccc9a1922aa4bb423e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^