Wiktionary
error-prone
a. In the habit of making errors
WordNet
error-prone
adj. capable of making an error; "all men are error-prone" [syn: erring]
Usage examples of "error-prone".
Now she was just a girl who remained error-prone, or perhaps error-supine.
Not that the case is really arguable, since the silent vote of the computers constitutes a carrying majority over our human veto, but let us see if there are any advantages for us borable, error-prone humans.