Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0018f039e4f495846f8d816f3c6518d7805b5b0fee90b23d73f3518fb9fde8d6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^