Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 040d19f2754122df0f810d41f2413a5339ba32801aa6cd7fdaadaefdd5d2dea1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^