How To Fix RS_HCPR_MODEL031 - Temporal join: Unexpected node name (&1); name must follow pattern J

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_HCPR_MODEL - Messages related to the HANA Composite Provider Backend

• Message number: 031

• Message text: Temporal join: Unexpected node name (&1); name must follow pattern J

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 RS_HCPR_MODEL031 - Temporal join: Unexpected node name (&1); name must follow pattern J ?

  The SAP error message RS_HCPR_MODEL031 indicates an issue with a temporal join in a data model, specifically that an unexpected node name has been encountered. The error message suggests that the node name does not conform to the expected naming pattern, which should be in the format J<nnn>, where <nnn> is a numeric value.
  Cause:
  
  Incorrect Node Naming: The node name in the temporal join does not follow the required naming convention. This could be due to a manual error when defining the join or an issue with the data model configuration.
  Model Corruption: There may be corruption in the data model or inconsistencies in the metadata that define the temporal join.
  Version Compatibility: If you are using a version of SAP that has specific requirements for naming conventions, using an older or incompatible version may lead to this error.
  
  Solution:
  
  Check Node Names: Review the data model and ensure that all node names in the temporal join follow the required pattern J<nnn>. Correct any names that do not conform to this pattern.
  Recreate the Join: If the node names are correct but the error persists, consider deleting the temporal join and recreating it from scratch. This can help resolve any underlying issues with the model.
  Validate Model: Use the model validation tools available in SAP to check for any inconsistencies or errors in the data model. This can help identify other potential issues that may be causing the error.
  Consult Documentation: Refer to the SAP documentation for your specific version to ensure that you are following the correct procedures and naming conventions for temporal joins.
  SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your version or configuration.
  
  Related Information:
  
  Temporal Joins: These are used in data modeling to combine data from different time periods. Understanding how temporal joins work in SAP can help in troubleshooting related issues.
  Data Model Configuration: Familiarize yourself with the configuration settings for data models in SAP, as incorrect settings can lead to various errors.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on temporal joins.
  
  By following these steps, you should be able to resolve the RS_HCPR_MODEL031 error and ensure that your temporal joins are correctly configured.