Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31b3d4c92becb09ca30550bbcd963a582c8671cdfbfd7e1b33c4a64f9f5a7601:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^