\num fails with confusing error when round-mode=uncertainty,exponent-mode = threshold and the error is larger than the value

[JasonGross]

\documentclass{article}
\usepackage{siunitx}

\begin{document}

\num [round-mode=uncertainty,round-precision=1]{\fpeval {0.000071} \pm \fpeval {0.000625}} % 0.0001(6)
\num [round-precision=1,exponent-mode = threshold]{\fpeval {0.000071} \pm \fpeval {0.000625}} % 7.1(625) × 10^{−5}
\num [round-mode=uncertainty,round-precision=1,exponent-mode = threshold]{\fpeval {0.000071} \pm \fpeval {0.000625}}
% ! Undefined control sequence.
% <argument> ...__siunitx_number_round_threshold:nn
% 5.51055555\times 510^{{S}{...

\end{document}

This is with version {siunitx} {2024-06-24} {3.3.19}