Dear Forum Members, 

Version: Unified V19

Browser: Chrome

Goal: start simulation

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Errors in TraceViewer:

Project validation failed!

Detected high level error (for details see following info traces): The runtime is running, operation expects stopped runtime (22)

Attempted to stop runtime, while there's still another service created!

CC_EventHandler::disconnect: current state for disconnect: %d %d %d %d %d [0, 0, 0, 1, 0]

Precondition 'CheckLanguage(filterLang)' failed! (Hmi::QF::ActiveAlarmSubscriptionHandler::Subscribe)

Unexpected state, CReadCallback, handle_result, error -9204590179157540888 Cid=,318 Oid=, 0x2

CHmiRuntime::Could not start project - project name missing in CContextStore!

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Result: simulation running but "site cannot be reached ... ERR_CONNECTION_RESET"

Attempts but same error:

• Restart TIA and PC
• Recompile software (all)
• Delete project from Runtime server
• Create a new blank project
• All WinCC-related services running 
• Ensured required Windows features on

Where is the CHmiRuntime folder? Sounds something is wrong there. I assume it's C:\ProgramData\SCADAProjects but not sure

How do you properly "rebuild runtime/project"?

Maybe unrelated but connecting to WinCC SQL server through SSMS also showed no file. Did I miss some configuration?

What else can be done  

Hi AutoGen_6269199,

I think it's best to create an SR for this. Afterwards, can you post what they said please?

Dear MindFlayer,

After punching the air through the weekend, we finally hit the ghost:

Settings for communication with WinCC Unified Runtime on the runtime device

Turns out the user was not a member of SIMATIC HMI VIEWER group. Click Add... > Type what is missing under "Enter the object names to select" field.

Then adjust everything in WinCC Unified Configuration as described in the link above.

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Note for Windows 11: Instead of "Administrative Tool", go to Control Panel > Windows Tool > Computer Management > System Tools > Local Users and Groups

Note in general: after googling an error, try the "More results from support.industry.siemens.com" link. Sometimes good answers and links are already discussed in the Forum but not visible on the first page of google search.