somthing is wrong…..

as a side note….whenever i click on the ‘Preview’ button in the slider editor, i get the following message….

The language of this website could not be determined automatically. Please indicate the main language: (ISO 639-1)

be, ca, cs, da, bn, de, el, el-monoton, el-polyton, en, en-gb, en-us, es, fi, fr, grc, gu, hi, hu, hy, it, kn, la, lt, lv, ml, nb, no, nb-no, nl, or, pa, pl, pt, ru, sk, sl, sv, ta, te, tr, uk