Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4ca8ea1000475dd9d856aa13c61daf252fda8af02f877d659fd965c5c7a1b181:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^