Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20ab234021d662e996ba89b332037bd021bd015a964ea683cb7b1c5f85882335:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^