Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 27333bb30a110c246ef739a93d6ada33d17ffa241247147124409004444f1db9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^