Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b5e50ab9bdb1f256867262fefe40d63c21baa4b4deaf0b80c656d4782dde1925:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^