Cannot Access Main eFootball Account

I have a serious problem with my eFootball 2024 mobile account. Yesterday I suddenly lost access to my first and main account, on which I had been playing for a long time and had built a very strong squad and progress. Because of this, I had to open and use a new account. My old account was not linked properly and now I cannot log into it at all. I did not spend money on the account, but I invested a lot of time and effort over a long period, and this account was very important to me in terms of progress and strength in the game. I kindly request that my old, strong account be recovered and returned to me, instead of using the new account. I want to continue playing with my original account where all my effort and time were spent. I ask you to check your system, identify my old account based on your records, and help me regain access to it as soon as possible.