Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 678c1fa77bfa574ab34c268b2ce9d3eb07d27b2ea463fcbd3baba41a13b38146:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^