Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d05ffc8059a83455975fc33c7fc1fb9b72d43d21b8e7e4fea17638921e931c79:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^