Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 246af74b984efc59ce2db7dae5ad0eaf62d5ec9917fbd479ec29ab4ed4921a21:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^