Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4fa00e060ecb511d6055e696dac66ef54b3f120ada60352ee0b1fa8e231910fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^