Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2be931cf537592c4a126ef8846e977b511f915993e156be556d46fb18b508f38:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^