Could not load file or assembly. The system cannot find the file specified.
Error: Resolution: If you use custom DLL in your SSRS reports, make sure the DLL is copied over to the shared DLL folder. For VS2017 Community Edition, copy over the DLL to this folder… Other Locations: Sources: https://stackoverflow.com/questions/43520437/ssrs-custom-assemblies-could-not-be-loaded-under-visual-studio-2017