Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a9634d4a07049181303de3fbe31935f9d8d3f920faecea3ceb2d6bf579831d39:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^