This is because some translations are based on the Hebrew Masoretic text, whereas others are based on the Greek Septuagint, which is a translation of the Hebrew text completed in the second century B.C.E.
परंतु, विविध बायबल भाषांतरांमध्ये स्तोत्रसंहितेच्या अनेक वचनांच्या क्रमांकात फरक आहे.