How To Fix SIW059 - Intermediate data type &1 does not start with required prefix &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 059

• Message text: Intermediate data type &1 does not start with required prefix &2

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 SIW059 - Intermediate data type &1 does not start with required prefix &2 ?

  The SAP error message SIW059 indicates that there is an issue with an intermediate data type in your SAP system. Specifically, it means that the data type you are trying to use does not start with the required prefix. This is typically related to the naming conventions enforced by the SAP system for certain data types.
  Cause:
  The error occurs when:
  
  You are trying to use an intermediate data type that does not conform to the naming conventions set by SAP.
  The data type you are using is expected to start with a specific prefix (e.g., "Z" for custom types) but does not.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Data Type Name: Verify the name of the intermediate data type you are using. Ensure that it starts with the required prefix as specified by your SAP system's naming conventions.
  
  
  Modify the Data Type: If the data type does not start with the required prefix, you may need to rename it or create a new data type that adheres to the naming conventions.
  
  
  Review Configuration: If you are unsure about the required prefix, check the configuration settings or documentation related to your SAP system. This may provide insights into the naming conventions that need to be followed.
  
  
  Consult SAP Documentation: Refer to the official SAP documentation or help resources for more information on naming conventions and data types.
  
  
  Testing: After making the necessary changes, test the functionality again to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Naming Conventions: SAP has specific naming conventions for various objects, including data types, function modules, and classes. Custom objects typically start with "Z" or "Y" to differentiate them from standard SAP objects.
  Development Guidelines: Follow SAP's development guidelines to ensure that your custom developments are compliant with best practices.
  Transport Requests: If you are working in a development environment, ensure that any changes you make are included in the appropriate transport requests for deployment to other environments (e.g., QA, Production).
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or ABAP development team for further assistance.