Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> eaf9d66fb60e47f083054df879acfbfcf6f8c9ea90d8c7af0f8ce5609e056656:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^