Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a2f5c4f208e189c71b46f5068c473ab23dffa1e48d0d463918a2d83e254b87db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^