Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1fbb908761165524878061ef52635fe0038371d633e8cfe1f7f7834ea6ade757:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^