Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 789b507cd4b575a131c27866cd8245d7a7929f2e4142926dfb3d6ff7387eabc5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^