SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6ImJ0UnBjSEd1VjJGZ3ZzRE0yWGdnbXc9PSIsInZhbHVlIjoiSTg0aTV1dVF3WUtyaWFtZmZZWVJkZz09IiwibWFjIjoiY2ZmZWRmNDBjZmM3NjQ2NWE2MmY1MmY1Mzk2MWJjNTY0M2UzMTE4NmQ2YzFhNGFkYjlmNzA5YjU0NzJiNjFlZCIsInRhZyI6IiJ9 limit 1)