Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ffa78506007f2e0526ab42872b82a1c24466e960158bfa1f6f8401c109d10637:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^