Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e3cb77020b49c6ae14e48be406f3aa7e72e83ad842c5e854a57f380fc61c24cc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^