Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aa691cfb73f2edff725784e9d9cb0a7942d7b100a78bd0984c7466246e379854:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^