# Feature Is Not Supported By The Language in C\# ## Example ```csharp error CS1545: Property, indexer, or event 'Parameter.Value' is not supported by the language; try directly calling accessor methods 'Parameter.get_Value()' or 'Parameter.set_Value(??)' ``` ## Fix(es) Make sure that the build is being run by a recent enough version of Visual Studio. For example, I ran into this issue on TeamCity when the build stopped working suddenly (still unsure why), and changing the VS version to **2022** instead of **2019** got it working again. #c_sharp #teamcity