Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 615622fe0cab4d81dfcbbb99814cf89bc54854d35f7bf9be1e236f1d975080fc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^