Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7620adddab8afa5a381ce88a29aa6ddd3cafbdac9833d66e97ed1bd4bed08c2a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^