For some while now I’ve been coming across this problem with Visual Studio 2010. It’s an odd one because to all intents and purposes the Schema Compare tool looks like it should work but when I come to open a SQL file I get this error.
I tried lots of things, most time-consuming of all a full install of Visual Studio. I did this six times and each time noticed an error with the SQL component but because of the way the installer worked I wasn’t able to get at it. If you’ve experienced this error you’ll know what I’m on about.
However, today I managed to get it working, and therefore I’m posting this info and this link. I found the fix here. I only needed to run the post installation MSI project.
Just for reference I’m pasting the content of Vikram’s post below but all credit goes to him.
The ‘RadLangSvc.Package, RadLangSvc.VS, Version = 10.0.0.0, Culture = neutral, PublicKeyToken = 89845dcd8080cc91’ failed to load
“The ‘RadLangSvc.Package, RadLangSvc.VS, Version = 10.0.0.0, Culture = neutral, PublicKeyToken = 89845dcd8080cc91’ package did not load Correctly.”
The system continues to operate apparently, only after the settings when we kick off the comparison, the environment crashes fatal.
After a little ‘research I found this post which in turn refers to that.
The problem is essentially due to the installation of SQL Server 2008 R2, which affected various components associated with the SQL scripting. The same symptoms occur it is also using the SQL shell included in VS, even though I had installed the R2 for a while, ‘I have not noticed it before because I always use the environment to SQL Server Management Studio.
The proposed solution is to simply re-run the post installation
located on the installation disc in the folder of VS 2010
\ WCU \ DAC
but for more serious problems may need to rerun the other two in the same folder installer
take care of it in VS closed and once the installation is complete, there is no need to restart everything is already back in place.