Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e9a6c51d170224b576067cbd2698a95f0f587ca7d65af9144459b516dd7bb984:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^