Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 84d538325bf619f1cd96634133aaf037aa685e86d3e4de74c25fc33219ebf143:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^