Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a8f5b707893ae6f5b7a4e135721aef22618f4aa1f6c3007195307b0fc7577d3c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^