Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7e403188a242ec88fdbfdb6d23fe42faadb4e14f034254ed10c462e449d75f2e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^