Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 06d79c5398ceb35ae8632710e5f8dd4b502a602c7baba7f974ec5cf123dc132d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^