Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b41f38f9485774cbfa537c25cc893c663870a88e5dc77364d05aa2dbe75b372:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^