Human error may have been a contributing factor.

人为的失误可能是一个起作用的因素。

《牛津词典》

"There may be something in the telescope... that's contributing to the error," he said.

“望远镜里一定有什么东西…并导致了这个错误”，他说。

youdao

Yet when growth is close to flat, the difference between, say, estimated growth of 0.1% (no recession on the popular convention) and -0.1% (one quarter contributing to a recession on the same convention) is actually within the known statistical margin of error.

BBC: UK economy: GDP figures explained by ONS