Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0c6e51cc7932933d8855cf659833903f8d19fd99bd4403f9b9e8f25ab95f6818:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^