Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dc989c3e2d5c1fd7cf41fc9cb6ac6d4983839ff673287144aafef22c17238bf8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^