SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6IjFOYnd1UWhqNS8vaVlzQ0xTSERRWFE9PSIsInZhbHVlIjoielBOaFRKWVZpUDhmWHB3T3R2aG9Rdz09IiwibWFjIjoiNWZkNzgzNjdkMzUxM2MwOTYxNzAzMWY0ZDJlMDBlN2ZhZDRjYzcxMTEzYTIyYzJlNThmZjVjNjhlMjA0NjUwYyIsInRhZyI6IiJ9 limit 1)