Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a8650acda7b53d34465eb1e92d72854af61a7692ccffd92d506caeee73657f5a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^