Nope. That is an Apple Framework that only the OS can use. Other apps have no access to this Private Framework. What you are seeing are normal log files that is provided by the System.
As for trouble logging into your Account, please provide more details. There are many reasons where this can happen, such as an account be Locked or Disabled. The solution will depend on the message you receive. If you are concerned that someone else may knows your Apple ID Password, then you should change it and also review your account information such as the Trusted Phone number that is set on the account so others will not be able to change it.
Two-factor authentication for Apple ID - Apple Support
If you are sharing your Apple ID with someone else using another device, then each person must have their own Apple ID.