Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cf767563052a1a69937e90948ee6d1ca64c111891daf830ab9523f685d567891:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^