Message type: E = Error
Message class:  MPE_OAN - Operation Activity Network Messages 
Message number: 007
Message text: Wrong number of successors for element &1
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The SAP error message MPE_OAN007, which states "Wrong number of successors for element &1," typically occurs in the context of project management or process modeling within SAP. This error indicates that there is an inconsistency in the number of successor elements defined for a particular element (like a task or activity) in a project or process flow.
Cause: Incorrect Configuration: The number of successor elements defined for a specific task or activity does not match the expected configuration. This could be due to manual errors during the setup of the project or process. Data Corruption: There may be issues with the underlying data, such as corruption or inconsistencies in the database. System Bugs: Occasionally, this error can arise from bugs in the SAP system or specific modules that handle project management or process flows.
Solution: Check Configuration: Review the configuration of the project or process flow. Ensure that the number of successor elements is correctly defined
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