Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d52e01960456c2cb74674baac01e0d315e1545744eb3db1cd1adf368f57d643c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^