Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6de8f8352f99bb945481f85e9586c2b16514361f63ff3c949f2a29b4f0cf89a5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^