Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 03e80a407bf5567467e10957980c4221accf0e36967ca2a8e3efdbd2766a2d5c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^