visual studio - Error message "No exports were found that match the constraint contract name" -


this morning faced problem while opening visual studio solution, , when tried run it, said:

no exports found match constraint contract name

how can fix problem?

i solved problem clearing visual studio component model cache.

just delete or rename folder:

%localappdata%\microsoft\visualstudio\11.0\componentmodelcache 

or

%localappdata%\microsoft\vpdexpress\11.0\componentmodelcache 

and restart visual studio.

the version of visual studio have specified number e.g.

visual studio 2012 11.0 (as shown above)

visual studio 2013 12.0

visual studio 2015 14.0

visual studio 2017 15.0

for don't know: %localappdata%\ same c:\users\{yourusername}\appdata\local


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