How To Fix RSWADMDERR2127 - '<' + '/' + letter not allowed here

SAP Error Message - Details

• Message type: E = Error

• Message class: RSWADMDERR2 - BEx Web applications: Error messages for XML/HTML-Parsing

• Message number: 127

• Message text: '<' + '/' + letter not allowed here

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 RSWADMDERR2127 - '<' + '/' + letter not allowed here ?

  The SAP error message RSWADMDERR2127, which states that a character like '<' or '/' is not allowed, typically occurs in the context of SAP's ABAP programming or when dealing with certain data formats. This error often arises when there are invalid characters in a field that is expected to contain specific types of data, such as identifiers, names, or other structured data.
  Cause:
  
  Invalid Characters: The error is triggered when the system encounters characters that are not permitted in the context of the operation being performed. For example, special characters like '<' or '/' may not be allowed in certain fields or identifiers.
  Data Input Issues: If data is being imported or processed, it may contain invalid characters that are not recognized by the system.
  Configuration Errors: Sometimes, the configuration of the system or the specific transaction may not allow certain characters due to business rules or data validation settings.
  
  Solution:
  
  Check Input Data: Review the data being processed to ensure that it does not contain any invalid characters. Remove or replace any characters that are not allowed.
  Data Validation: Implement validation checks in your ABAP code or data processing logic to catch invalid characters before they cause errors.
  Review Configuration: Check the configuration settings for the relevant transaction or module to ensure that it is set up correctly and does not impose unnecessary restrictions on valid characters.
  Debugging: If you are a developer, use debugging tools to trace where the error occurs in the code. This can help identify the specific input or operation that is causing the issue.
  Consult Documentation: Refer to SAP documentation or community forums for guidance on the specific context in which the error occurs, as there may be additional insights or solutions available.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  ABAP Development Guidelines: Familiarize yourself with ABAP development best practices, especially regarding data handling and validation, to prevent similar issues in the future.
  
  By addressing the root cause of the error and ensuring that only valid characters are used in the relevant fields, you should be able to resolve the RSWADMDERR2127 error effectively.