<prompt> Translate the following text to EnglishKama ilivyoelezwa hapo juu, GAO iligundua tu kwamba faili za kesi hazikuwa na nyaraka zinazohitajika ili kuthibitisha kufaa au kutokufaa kwa mteja yeyote.  <response>: be noted that GAO concluded only that the case files failed to contain the documentation necessary to confirm the eligibility or ineligibility of any of these clients. 