Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec0006a565063864422b220697d5658832ff0c3e22da8eb5dfb2bea9d23b870f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^