@Şilan-Arslan In my case changing the company does not work. as far as I know you cannot submit two residency card applications for the same reason e.g. work. I guess your case is that they think you don't deserve the negative decision, and at the same time your application is missing some documents that are necessary for the positive decision thus they transfer the entire application to the main office for review. My case exactly was related to ZUS insurance, they asked me to bring some documents, I have submitted some documents to prove ZUS, but they found that the documents are not enough to prove ZUS so they give me negative decision and at the same time, they have submitted an appeal and they sent the appeal with my application to the main office for re-considering my case, even before I receive the negative decision by post. After that I and my lawyer submitted our appeal with of course additional documents to prove ZUS.
Remember, every case is different, and again I advise you to consult with an experienced lawyer. The lawyer can review your application and he/she will know what additional documents can support your case. In case that the the decision is not issued yet,the lawyer will submit those documents, and in case that the decision is issued he/she will support you in the appeal processes. In case that your application rejected because of not enough documents, then it's your right to submit the appeal and they should give you positive decision, the process takes time, but with a good lawyer it will take less time.