Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80d68189c69046ff6ca70bab71bd2df95f6e1ae8ec44eb8e19516ff0a39f28c3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^