Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 12bea37465ffec82394f5327534b1158d6f1834983ba5a15f182438f6dd66dc1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^