Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c90f85cb920288367d45cbe65e5796f30cbfcb226888e2dd7495dbdf8abc33ed:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^