There has been news about SSS Online Inquiry problems. The SSS website is often down or the reports are inaccurate. I don't know what's happening but I hope they can fix the problem soon.
If you want to get a record of your SSS contributions, there are actually other ways to do this. You can do it through SMS messaging or by simply inquiring personally in the SSS office.
You can learn these by reading this post about SSS Contribution Online Inquiry article. I hope you will find the post informative and helpful.