Internal error

DEFRST\\\: Malformed GUID. in query expression 'tblLanguage.id ={{{1}}}'. 3075 0 DAO.Database at   
SQL is SELECT tblLanguage.*, tblYearCrossReferences.Decade AS D1, tblYearCrossReferences.Era AS E1, tblYearCrossReferences.Generation AS G1, tblYearCrossReferences_1.Decade AS D2, tblYearCrossReferences_1.Era AS E2, tblYearCrossReferences_1.Generation AS G2, tblCountries.CountryLabel, tblSammetCategory.SCDisplay FROM (((tblLanguage LEFT JOIN tblYearCrossReferences ON tblLanguage.FirstYear = tblYearCrossReferences.Year) LEFT JOIN tblYearCrossReferences AS tblYearCrossReferences_1 ON tblLanguage.PubYear = tblYearCrossReferences_1.Year) LEFT JOIN tblCountries ON tblLanguage.country = tblCountries.CountryCode) LEFT JOIN tblSammetCategory ON tblLanguage.SammetCat = tblSammetCategory.SCCode WHERE tblLanguage.id ={{{1}}}