Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1ac683c4f6290bc0c67343003ecec56c44810a9ce8ce2b55f082bc30457d9157:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^