Ms solitaire collection error code 121003

I would suggest resetting the Xbox app and if that does not work uninstall the Xbox app and reinstall it.  Your data remains on the Xbox cloud and i think it will just reload it.  You can reset the app by right clicking the app, select settings and select reset the app.  You can unstall the app by right clicking it and selecting unstall.  This option can also be reached in settings.   I hope this helps.  

Here the same Error. App reset did not help.

i cannot play solitaire for almost a week now i get errorcodes 124 and 121003 and solitaire says i have a premiumaccount?? 

already checkt all of the hardware and software here even got a new account but nothing helps

Error code 121003 means Xbox or Microsoft cannot access your cloud data.  Can you play as a guest?  If so, the Xbox app is probably ok.  What you can try is to either reset the solitaire collection app or uninstall and reinstall it.  Your data is safe in the cloud and will show up when you sign in.  You can perform either function by right clicking the solitaire app and following instructions.  My operating system is Windows 10.  Things went wrong when Windows 10 updated a couple of months ago.  Also the Microsoft Solitaire Collection app for Windows 10 updated too.  This worked for me but I had to do it several times.   

If Xbox is not working, try resetting or reinstalling Xbox.   I believe though it's your game app that needs fixing.  It helps to restart your PC after resetting or reinstalling.

"Xbox Live error

There was a problem loading your data from the cloud

Please check the Microsoft Solitaire Collection FAQ at

https://aka.ms/mssolitairefaq and refer to error code:

121003"

I've done that, no help to receive there. No one seems to know what the error code 121003 mean so I'm wondering why you are creating error codes that you don't understand yourselves?

Don't know why it is not working.