Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a5343ac07719303b9dfa0caeede33b638727c0e5ca7ae6c45f40600734984a86:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^