Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9e0d651d7b8cab33c8e028ab776856976f040ae0bdc244ffb0106b3870afb430:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^