Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 77b8f9d9589175923ff15ec50917c340e52cd2d236b6ca7c8d7221c57adf8f17:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^