Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30eb85f6878e94db7644fac9f796f880b0f412e2ff2c7d7819702cf6bf2f87a5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^