Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 06751b3ab19f734c68ae9014bcdd01c9e49b6db07bc2c0844d722914053b0a2b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^