Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 898231329a29a781fce870349eee6a3f70a7b7efbec97245b129ef50f1aeda8a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^