Govert,
Glad to be in contact again. You likely don't recall this add-in - it's the nuclear physics one from about 9 years ago! I finally needed to update the internal nuclear data.
Here's the GitHub log from running buildxll.yml. It looks like it builds correctly but I can't get it to pack.
2025-01-03T20:00:51.5332781Z ExcelDnaBuild: Running CreateExcelAddIn MSBuild Task
2025-01-03T20:00:51.5340534Z ExcelDnaBuild: ----Arguments----
2025-01-03T20:00:51.5341152Z ExcelDnaBuild: FilesInProject: 7
2025-01-03T20:00:51.5341686Z ExcelDnaBuild: packages.config
2025-01-03T20:00:51.5342224Z ExcelDnaBuild: Properties\ExcelDna.Build.props
2025-01-03T20:00:51.5342832Z ExcelDnaBuild: RadToolz-AddIn.dna
2025-01-03T20:00:51.5343309Z ExcelDnaBuild: app.config
2025-01-03T20:00:51.5343703Z ExcelDnaBuild: My Project\Application.myapp
2025-01-03T20:00:51.5345172Z ExcelDnaBuild: My Project\Settings.settings
2025-01-03T20:00:51.5345642Z ExcelDnaBuild: readme.txt
2025-01-03T20:00:51.5346007Z ExcelDnaBuild: OutDirectory: bin\Release\
2025-01-03T20:00:51.5346789Z ExcelDnaBuild: Xll32FilePath: D:\a\RadToolz\RadToolz\packages\ExcelDna.AddIn.1.8.0\build\..\tools\\net452\ExcelDna.xll
2025-01-03T20:00:51.5348229Z ExcelDnaBuild: Xll64FilePath: D:\a\RadToolz\RadToolz\packages\ExcelDna.AddIn.1.8.0\build\..\tools\\net452\ExcelDna64.xll
2025-01-03T20:00:51.5349094Z ExcelDnaBuild: Create32BitAddIn: True
2025-01-03T20:00:51.5349506Z ExcelDnaBuild: Create64BitAddIn: True
2025-01-03T20:00:51.5349914Z ExcelDnaBuild: FileSuffix32Bit:
2025-01-03T20:00:51.5350272Z ExcelDnaBuild: FileSuffix64Bit: 64
2025-01-03T20:00:51.5350654Z ExcelDnaBuild: -----------------
2025-01-03T20:00:51.5351059Z ExcelDnaBuild: Number of files in project: 7
2025-01-03T20:00:51.5493573Z ExcelDnaBuild: RadToolz-AddIn.dna -> bin\Release\RadToolz-AddIn.dna
2025-01-03T20:00:51.5503125Z ExcelDnaBuild: ..\packages\ExcelDna.AddIn.1.8.0\build\..\tools\\net452\ExcelDna.xll -> bin\Release\RadToolz-AddIn.xll
2025-01-03T20:00:51.5515976Z ExcelDnaBuild: App.config -> bin\Release\RadToolz-AddIn.xll.config
2025-01-03T20:00:51.7591243Z ExcelDnaBuild: ---
2025-01-03T20:00:51.7598247Z ExcelDnaBuild: RadToolz-AddIn.dna -> bin\Release\RadToolz-AddIn64.dna
2025-01-03T20:00:51.7600940Z ExcelDnaBuild: ..\packages\ExcelDna.AddIn.1.8.0\build\..\tools\\net452\ExcelDna64.xll -> bin\Release\RadToolz-AddIn64.xll
2025-01-03T20:00:51.7608666Z ExcelDnaBuild: app.config -> bin\Release\RadToolz-AddIn64.xll.config
2025-01-03T20:00:51.7632601Z ---
2025-01-03T20:00:51.7637375Z ExcelDnaPack:
2025-01-03T20:00:51.7638050Z ExcelDnaPack: bin\Release\RadToolz-AddIn.dna -> bin\Release\RadToolz-AddIn-packed.xll
2025-01-03T20:00:51.7650007Z PackExcelAddIn: Running PackExcelAddIn Task
2025-01-03T20:00:51.7664820Z PackExcelAddIn: Using base add-in bin\Release\RadToolz-AddIn.xll
2025-01-03T20:00:51.7950690Z PackExcelAddIn: -> Updating resource: Type: CONFIG, Name: __MAIN__, Length: 1724
2025-01-03T20:00:51.8016720Z PackExcelAddIn: ~~> ExternalLibrary path RadToolz.dll resolved to bin\Release\RadToolz.dll.
2025-01-03T20:00:52.6503429Z PackExcelAddIn: -> Updating resource: Type: ASSEMBLY_LZMA, Name: RADTOOLZ, Length: 25499
2025-01-03T20:00:52.6534189Z PackExcelAddIn: -> Updating resource: Type: DNA, Name: __MAIN__, Length: 567
2025-01-03T20:00:52.6556072Z PackExcelAddIn: Completed Packing bin\Release\RadToolz-AddIn-packed.xll.
2025-01-03T20:00:52.6558955Z ExcelDnaPack: bin\Release\RadToolz-AddIn.xll.config -> bin\Release\RadToolz-AddIn-packed.xll.config
2025-01-03T20:00:52.6564460Z Copying file from "D:\a\RadToolz\RadToolz\RadToolz\bin\Release\RadToolz-AddIn.xll.config" to "D:\a\RadToolz\RadToolz\RadToolz\bin\Release\RadToolz-AddIn-packed.xll.config".
2025-01-03T20:00:52.6568160Z ExcelDnaPack:
2025-01-03T20:00:52.6569054Z ExcelDnaPack: bin\Release\RadToolz-AddIn64.dna -> bin\Release\RadToolz-AddIn64-packed.xll
2025-01-03T20:00:52.6570683Z PackExcelAddIn: Running PackExcelAddIn Task
2025-01-03T20:00:52.6571538Z PackExcelAddIn: Using base add-in bin\Release\RadToolz-AddIn64.xll
2025-01-03T20:00:52.6580347Z PackExcelAddIn: -> Updating resource: Type: CONFIG, Name: __MAIN__, Length: 1724
2025-01-03T20:00:52.6582665Z PackExcelAddIn: ~~> ExternalLibrary path RadToolz.dll resolved to bin\Release\RadToolz.dll.
2025-01-03T20:00:52.6715212Z PackExcelAddIn: -> Updating resource: Type: DNA, Name: __MAIN__, Length: 567
2025-01-03T20:00:52.7578796Z PackExcelAddIn: -> Updating resource: Type: ASSEMBLY_LZMA, Name: RADTOOLZ, Length: 25499
2025-01-03T20:00:52.7598214Z PackExcelAddIn: Completed Packing bin\Release\RadToolz-AddIn64-packed.xll.
2025-01-03T20:00:52.7601473Z ExcelDnaPack: bin\Release\RadToolz-AddIn64.xll.config -> bin\Release\RadToolz-AddIn64-packed.xll.config
2025-01-03T20:00:52.7604810Z Copying file from "D:\a\RadToolz\RadToolz\RadToolz\bin\Release\RadToolz-AddIn64.xll.config" to "D:\a\RadToolz\RadToolz\RadToolz\bin\Release\RadToolz-AddIn64-packed.xll.config".
2025-01-03T20:00:52.7611872Z Done Building Project "D:\a\RadToolz\RadToolz\RadToolz\RadToolz.vbproj" (default targets).
2025-01-03T20:00:52.7627825Z Done Building Project "D:\a\RadToolz\RadToolz\RadToolz.sln" (default targets).
2025-01-03T20:00:52.7649096Z
2025-01-03T20:00:52.7649436Z Build succeeded.
2025-01-03T20:00:52.7649681Z 0 Warning(s)
2025-01-03T20:00:52.7649932Z 0 Error(s)
2025-01-03T20:00:52.7650207Z
2025-01-03T20:00:52.7650881Z Time Elapsed 00:01:21.84
2025-01-03T20:00:52.8836559Z ##[group]Run $excelDnaPack = "D:\a\RadToolz\RadToolz\packages\ExcelDna.AddIn.1.8.0\tools\ExcelDnaPack.exe"
2025-01-03T20:00:52.8837583Z [36;1m$excelDnaPack = "D:\a\RadToolz\RadToolz\packages\ExcelDna.AddIn.1.8.0\tools\ExcelDnaPack.exe" [0m
2025-01-03T20:00:52.8838294Z [36;1m$dnaFile = "D:\a\RadToolz\RadToolz\RadToolz\bin\Release\RadToolz-AddIn.dna" [0m
2025-01-03T20:00:52.8839158Z [36;1m& $excelDnaPack $dnaFile /Y /O /XLL32 [0m
2025-01-03T20:00:52.8870856Z shell: C:\Program Files\PowerShell\7\pwsh.EXE -command ". '{0}'"
2025-01-03T20:00:52.8871172Z ##[endgroup]
2025-01-03T20:00:53.7559247Z [31;1m&: [0mD:\a\_temp\dc91742b-53d3-4f72-8f2e-3c71fb53ce65.ps1:4 [0m
2025-01-03T20:00:53.7560151Z [31;1m [0m [36;1mLine | [0m
2025-01-03T20:00:53.7560966Z [31;1m [0m [36;1m [36;1m 4 | [0m & [36;1m$excelDnaPack [0m $dnaFile /Y /O /XLL32 [0m
2025-01-03T20:00:53.7561682Z [31;1m [0m [36;1m [36;1m [0m [36;1m [0m [36;1m | [31;1m ~~~~~~~~~~~~~ [0m
2025-01-03T20:00:53.7562845Z [31;1m [0m [36;1m [36;1m [0m [36;1m [0m [36;1m [31;1m [31;1m [36;1m | [31;1mThe term 'D:\a\RadToolz\RadToolz\packages\ExcelDna.AddIn.1.8.0\tools\ExcelDnaPack.exe' is not recognized as a [0m
2025-01-03T20:00:53.7564382Z [31;1m [0m [36;1m [36;1m [0m [36;1m [0m [36;1m [31;1m [31;1m [36;1m [31;1m [36;1m | [31;1mname of a cmdlet, function, script file, or executable program. Check the spelling of the name, or if a path was [0m
2025-01-03T20:00:53.7565659Z [31;1m [0m [36;1m [36;1m [0m [36;1m [0m [36;1m [31;1m [31;1m [36;1m [31;1m [36;1m [31;1m [36;1m | [31;1mincluded, verify that the path is correct and try again. [0m
2025-01-03T20:00:53.7986564Z ##[error]Process completed with exit code 1.
Thanks for the assist,
Jamie