Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 284a9ff55579bf197268436870eb86d40d819567e7f1e7d0c13a051bfb2a1cdf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^