Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 921a2450e95eae76c9d75392d23e02db08ba5a02f06de89d3c0888f63a82b441:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^