Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5f33e47c22ebce749ec5f17b5d93f0f09e93425a1fa2a019489da5db8dd2fabd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^