Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ecd0491e1978a6f602ae71a45a0c55c4207a9b7744e0938408e38d1767ea6f94:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^