Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d3af7fb2e95f2657b70ded4ff7baea9a50346264894e0fffaa793fe01ce4e1ec:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^