Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 52b32e685eec6670239db2a202951ae3c109c8dd6c9b4ad2396a1bc30e8dda8c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^