Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e8d808780a7fdf20fee7bd94632abe59b9b61d15c88ec1cb539f7828c5e98d99:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^