Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b7c28a3c1bab639017e8c8dcf3e635d32ae90122c1a5248aa9eb295d8741eb88:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^