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Configuration Error (PLCN0009): The task '...' uses the same event name value '...' as another task, which is not allowed.

In your project, the same 'Event name' is used in two user tasks of the type 'Event task' or 'User event task'. For example, the event 'Cold start' has been selected twice. However, an event name must not be assigned to more than one task.

The error message appears for each task processing the same event subtype.

  1. Double-click the error message to open the 'Tasks and Events' editor of the 'PLCnext' node in the PLANT. The suspected tasks are marked.
  2. Modify one of the suspected tasks by selecting a different 'Event name'.

For further information on tasks and how to edit them refer to the topic "Task Configuration".