Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 07b6beb396c4c21076c90c22c93bf1edafe72d7b30156da8cb0874a2d66776d0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^