Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aadd05b7f62becdb7ba50a01e33ab87bf5b4feb39af71b8872b8095e01ffaae1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^