Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac71722d55231b68c06e13b691e54656dded2601a96149050e7dcbc7f02049dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^