SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6InJnVnNzNEE5OFBqeHlLVk94RWNBYXc9PSIsInZhbHVlIjoiYkQ0S3VTbmlzWFIrdmdaalhYQVFSUT09IiwibWFjIjoiMjllYmM2Y2RmOGMzZTUyMTZiMTI2YTRkZWFmODNlNDA0MDdiYWMwZWRjZjU4ZDAyMmNmNTEyYTVlNTUxMWU4NyIsInRhZyI6IiJ9 limit 1)