Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e291a89aa43a8d58fe4f870c473f7ea5b23869ca394d5e152b5042e5f0b3c21c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^