Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7552a58cbf7b89d39e27db808abd56efdc7de058fda0bcecf8cba025eefb0064:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^