Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b43f0fe08169ce8b4b82f32642231b7a930aa34632c2dcbb15294c0d0ea102a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^