Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 139b0458348d84995fbca6ae3f8610847fa0cdd4ad024aae3eaf2bbafbfb4213:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^