Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac19b478f2b536712418b7883f3b481d7ec0d6bdb7656fcae1de9961413e5f3b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^