How To Fix WZRE_REUSE007 - Node key is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: WZRE_REUSE - Messages

• Message number: 007

• Message text: Node key is empty

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WZRE_REUSE007 - Node key is empty ?

  The SAP error message WZRE_REUSE007: Node key is empty typically occurs in the context of SAP Workflow or Business Rule Framework plus (BRFplus) when a node key, which is required to uniquely identify a node in a workflow or rule set, is missing or not properly assigned.
  
  Cause
  
  Missing or empty node key: The node key, which acts as a unique identifier for a node in a workflow or rule, is not set or is empty.
  Incorrect configuration: During the creation or reuse of workflow templates, rules, or decision tables, the node key might not have been properly maintained.
  Data inconsistency: The underlying data or metadata for the workflow or BRFplus object is inconsistent or corrupted.
  Transport or import issues: Sometimes, when transporting workflow or BRFplus objects between systems, node keys might get lost or not properly imported.
  
  
  Solution
  
  
  Check the node key assignment:
  
  Go to the workflow or BRFplus rule where the error occurs.
  Verify that each node has a valid and unique node key assigned.
  If the node key is empty, assign a proper key.
  
  
  
  Recreate or repair the workflow/rule:
  
  If the node key cannot be assigned manually, try to recreate the affected node or the entire workflow/rule.
  Use the SAP transaction codes related to workflow (e.g., SWDD for workflow builder) or BRFplus (BRF+ or BRFPLUS).
  
  
  
  Check transport logs:
  
  If the issue appeared after a transport, check the transport logs for errors.
  Re-import the transport or manually fix the node keys in the target system.
  
  
  
  Use SAP Notes and Support:
  
  Search for SAP Notes related to WZRE_REUSE007 for any patches or corrections.
  If no public note is available, consider raising a support ticket with SAP.
  
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SWDD - Workflow Builder
  BRF+ or BRFPLUS - Business Rule Framework plus
  SWI1 - Workflow Log
  SWI2_FREQ - Workflow Runtime Analysis
  
  
  
  SAP Notes:
  
  Check SAP ONE Support Launchpad for notes related to WZRE_REUSE007.
  
  
  
  Documentation:
  
  SAP Help Portal for Workflow and BRFplus configuration.
  SAP Community forums for similar issues and solutions.
  
  
  
  
  If you provide more context (e.g., which module or transaction you encountered this error in), I can give more specific guidance.