Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8878de5292cb34994232e3713176572bfedb8aa0cb5a561be74dedad1eb5a41e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^