Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d84a51edfbdc7a78d63617230162c7c12e6859c148a59d3bc3bf9744c318ce9f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^