Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a9e9434b3c1d66e361d17d387844a53e156f26e0fe100be42f838aa88f2fcf72:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^