Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ae753a53c141b95f20e4adf5c6368afd318a2a7891bce338e3b82b0d910be18c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^