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: 028
Message text: & is not allowed as a parameter name
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_TOOL028
- & is not allowed as a parameter name ?The SAP error message SWDP_WB_TOOL028 indicates that a parameter name you are trying to use is not allowed. This typically occurs in the context of SAP Web Dynpro development, where certain naming conventions and restrictions apply to parameter names.
Cause:
The error is usually caused by one of the following reasons:
- Invalid Characters: The parameter name may contain invalid characters or spaces. SAP has specific rules regarding what characters can be used in parameter names.
- Reserved Keywords: The parameter name may be a reserved keyword in the SAP environment, which cannot be used as a parameter name.
- Length Restrictions: The parameter name may exceed the maximum length allowed for parameter names in SAP.
- Naming Conventions: The parameter name may not adhere to the naming conventions set by your organization or SAP standards.
Solution:
To resolve the error, you can take the following steps:
- Check Naming Conventions: Ensure that the parameter name follows the naming conventions. Typically, parameter names should start with a letter and can include letters, numbers, and underscores.
- Avoid Reserved Keywords: Make sure that the parameter name is not a reserved keyword in SAP. You can refer to the SAP documentation for a list of reserved keywords.
- Use Valid Characters: Ensure that the parameter name does not contain any special characters or spaces. Stick to alphanumeric characters and underscores.
- Shorten the Name: If the parameter name is too long, try to shorten it while still keeping it meaningful.
- Consult Documentation: Refer to the SAP Web Dynpro documentation for specific guidelines on naming parameters.
Related Information:
By following these steps, you should be able to resolve the SWDP_WB_TOOL028 error and successfully use the desired parameter name in your SAP Web Dynpro application.
Get instant SAP help. Sign up for our Free Essentials Plan.
SWDP_WB_TOOL027
Name & cannot begin with &
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_TOOL026
There is already a method named &
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_TOOL029
Select one row
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_TOOL030
Place cursor on a valid entry
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.