ERROR #1045: Access denied for user ''@'localhost' (using password: NO)

QUERY #1:
"SELECT c.id, d.field1, d.field2, d.field3 FROM config AS c LEFT JOIN details AS d ON c.id = d.id_config LEFT JOIN sequence AS s ON c.id = s.id_config LEFT JOIN activity AS a ON c.id = a.id_config WHERE c.nazwa LIKE 'zapytania' and a.field0 = 1 order by s.field0 LIMIT 1"
ERROR #1045: Access denied for user ''@'localhost' (using password: NO)

QUERY #2:
"SELECT c.id, d.field0 FROM config AS c LEFT JOIN details AS d ON c.id = d.id_config LEFT JOIN sequence AS s ON c.id = s.id_config LEFT JOIN activity AS a ON c.id = a.id_config LEFT JOIN date AS t ON c.id = t.id_config WHERE c.nazwa LIKE 'banner' and a.field0 = 1 and d.field1 = 'partnerzy' order by s.field0"
ERROR #1045: Access denied for user ''@'localhost' (using password: NO)

QUERY #3:
"Select g.id, g.foto as f, m.foto from galeria as g LEFT JOIN galeriamini as m ON m.id_zdjecia = g.id where g.nazwa like 'banner' and g.identyfikator =  order by kolejnosc DESC"
Naftomontaz
Strona główna » Zapytania ofertowe
Budownictwo Naftowo Gazownicze Naftomontaż Przemyśl Spółka z ograniczoną odpowiedzialnością
37-700 Przemyśl, ul. Tarniowa 8
Konto spółki: Podkarpacki Bank Spółdzielczy O/Przemyśl Nr rachunku: 43 8642 1155 2015 1500 0943 0001
KRS: 0000238949 NIP: 795-23-57-090 REGON: 180052661 PKD: 4120Z
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