Applies To:
  • CitectSCADA 5.xx, 6.00
Summary:
Error message "Failed to initialise Server Object Invalid class string" appears on startup of Citect system. 

Solution:
This error is known to occur when a Citect project using the OPC protocol is run without the OPC Server being started. Please ensure that your OPC Server is running to avoid this error.

For further information, please refer to KB article Q3860.
Keywords:
 

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