Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ea163ed5bf6258355addf19ccdbbcf180b83ea1c85a49ab80fa4259df2698eab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^