Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ffe6732c5d4b65f5b56d9f7bfe9a7e835a6862fe17b699237220d11fe2778e07:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^