Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 357ec8fd608b62acbf01cf50351cb4fd6d3cd3baeb654f5749c08432ea1e33bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^