SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6ImFqazUrU2E2a2ZDUVBadHNaOHhxb2c9PSIsInZhbHVlIjoibWt2SUFOcGlQVWhTNnpEdVdzVmVXZz09IiwibWFjIjoiMjlkMjIyYjJhOGY2YTdjNmM0NWY4YWYyMmM1MGU3MmNiOTU1YzYyMzBlMzYxZjNmYjc0Y2E2NmNhYTQzMzQyMiIsInRhZyI6IiJ9 limit 1)