SSL003 GetSnippetLanguage has an invalid file name - AlessandroDelSole/delsolevsix GitHub Wiki
You are invoking the SnippetInfo.GetSnippetLanguage method passing a file name whose extension is not .snippet, neither .vbsnippet, nor .cssnippet etc.
You are invoking the SnippetInfo.GetSnippetLanguage method passing a file name whose extension is not .snippet, neither .vbsnippet, nor .cssnippet etc.