How To Fix ITS_GENERATE_TEMPL001 - Generation style &1 is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: ITS_GENERATE_TEMPL - Messages for Template Generation

• Message number: 001

• Message text: Generation style &1 is not defined

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Define the style in the table W3GENSTYLES. Create and program an
appropriate class, which must implement the interface
IF_ITS_GENERATE_TEMPLATE.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ITS_GENERATE_TEMPL001 - Generation style &1 is not defined ?

  The SAP error message ITS_GENERATE_TEMPL001 with the description "Generation style &1 is not defined" typically occurs in the context of SAP Internet Transaction Server (ITS) when there is an issue with the configuration of the generation styles used for rendering web applications.
  Cause:
  
  
  Undefined Generation Style: The error indicates that the specified generation style (denoted by &1) is not defined in the system. This can happen if:
  
  The generation style was not created or configured properly.
  There is a typo or incorrect reference to the generation style in the configuration.
  The generation style has been deleted or is not active.
  
  
  
  Configuration Issues: The ITS configuration might not be set up correctly, leading to the system being unable to find the specified generation style.
  
  
  Solution:
  
  
  Check Generation Styles:
  
  Go to the transaction code SICF (Service Hierarchy Maintenance) and check the configuration for the relevant service.
  Verify that the generation style you are trying to use is defined in the system. You can check this in the transaction SE80 (Object Navigator) or SE78 (SAP ArchiveLink) under the relevant ITS settings.
  
  
  
  Define or Correct the Generation Style:
  
  If the generation style is missing, you may need to create it. This can typically be done in the ITS configuration settings.
  If it exists but is not correctly referenced, ensure that the correct name is being used in the configuration.
  
  
  
  Check for Typos: Ensure that there are no typographical errors in the name of the generation style in your configuration.
  
  
  Review Documentation: Consult the SAP documentation or help resources for guidance on how to properly configure generation styles for ITS.
  
  
  Transport Issues: If the system is part of a transport landscape, ensure that the transport containing the generation style has been properly imported into the target system.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to ITS and generation styles for any known issues or additional troubleshooting steps.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues faced by other users and potential solutions.
  Version Compatibility: Ensure that the version of SAP you are using supports the generation styles you are trying to implement.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.