Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 954828fabd1e331815066d6d61a9172b55f28e843b6de3679192018a2f6a3c06:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^