Do you have any question about this error?
Stop googling SAP errors. Use our Free Essentials plan instead - no credit card needed. Start Now →
Message type: E = Error
Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools
Message number: 257
Message text: &1 is not a structure
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.
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.
SWDP_WB_TOOL257
- &1 is not a structure ?The SAP error message SWDP_WB_TOOL257 indicates that the specified object (in this case,
&1
) is not recognized as a structure. This error typically occurs in the context of SAP Web Dynpro development, particularly when working with data models or context nodes.Cause:
- Incorrect Data Type: The object you are trying to use is not defined as a structure in the ABAP Dictionary. It might be a table, a simple data type, or an incompatible object.
- Typographical Error: There may be a typo in the name of the structure you are trying to reference.
- Missing Definition: The structure may not be defined in the system or may not be activated.
- Context Node Configuration: If you are trying to bind a context node to a structure that is not correctly defined, this error can occur.
Solution:
- Check the Object Type: Verify that the object you are referencing is indeed a structure. You can do this by checking the ABAP Dictionary (transaction SE11) to ensure that the object exists and is defined as a structure.
- Correct Typographical Errors: Double-check the spelling of the structure name in your code or configuration to ensure there are no typos.
- Activate the Structure: If the structure exists but is not activated, activate it in the ABAP Dictionary.
- Review Context Node Bindings: Ensure that the context node is correctly configured to bind to the appropriate structure. If you are using a data source, make sure it is compatible with the expected structure.
- Check for Dependencies: If the structure depends on other objects (like domains or data elements), ensure those are also correctly defined and activated.
Related Information:
By following these steps, you should be able to identify and resolve the issue causing the SWDP_WB_TOOL257 error.
Get instant SAP help. Sign up for our Free Essentials Plan.
SWDP_WB_TOOL256
Attribute &1: Default value has more than 255 characters
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SWDP_WB_TOOL255
Context element &1 does not match the component interface definition &2
What causes this issue? The context element &V1& belongs to the implementation of the interface &V2&. In the interface &V2&, ...
SWDP_WB_TOOL258
Structure assignment for context element &1 was deleted
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SWDP_WB_TOOL259
Enter a structure name first.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.