Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 66cf36c2b3bd2fbacc84419f5aaa020ee68e94be2ebf78f7e009ef9e4a9de1b5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^