Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b810ba48a1c17011d909c725e1e80cd2300b7afa8b326ad34b93ebe321cbc20:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^