Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f4e503824991012c348b0ceb7bce6f98b5a1914e85bc8f4c1f1c80068ab1ca15:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^