Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2bdebf7b67457bcecaa1f5d3d0fb7eb848db3b40859ce2246536afa8909cee3f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^