Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dc273b515859d5ae918b65fdfcdaf2fe0fb14d34ba2b83fd478f821347aa9980:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^