Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31dad609006f0cfd4f919c7be6d04527a302228239faa4df0f77d4aa4f6cd0f7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^