Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fb43e0b87e8e82490e36e4963461dae6e5b71b624e5faa94289f2271da43e947:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^