-LoadSymbol throws 0x806D000C

[AloisKraus]

Describe the bug
When loading symbols from Json File one can get

Exception caught in main: System.Runtime.InteropServices.COMException (0x806D000C): Exception from HRESULT: 0x806D000C
at Dia2Lib.IDiaDataSource3.loadDataFromPdb(String pdbPath)
at Microsoft.Diagnostics.Symbols.SymbolModule.<>c__DisplayClass11_0.<.ctor>b__0(IDiaDataSource3 s) in C:\Builds\Git\ETWAnalyzer\ETWAnalyzer\LoadSymbol\TraceEvent\SymbolModule.cs:line 280
at Microsoft.Diagnostics.Symbols.SymbolModule..ctor(SymbolReader reader, String pdbFilePath, Action`1 loadData) in C:\Builds\Git\ETWAnalyzer\ETWAnalyzer\LoadSymbol\TraceEvent\SymbolModule.cs:line 252
at Microsoft.Diagnostics.Symbols.SymbolModule..ctor(SymbolReader reader, String pdbFilePath) in C:\Builds\Git\ETWAnalyzer\ETWAnalyzer\LoadSymbol\TraceEvent\SymbolModule.cs:line 280

To Reproduce
Load a symbols from a json file with a pdb whose format is ancient.

Expected behavior
No exception