Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 809e77b6ea64dbf116045db6c20a1d600a7e36f6bd2fae8ae8ddf3013effd7df:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^