How To Fix WEBDYNPRO_RT004 - Value for & has invalid format

SAP Error Message - Details

• Message type: E = Error

• Message class: WEBDYNPRO_RT - Message class of Web Dynpro runtime

• Message number: 004

• Message text: Value for & has invalid format

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 WEBDYNPRO_RT004 - Value for & has invalid format ?

  The SAP error message:
  WEBDYNPRO_RT004: Value for & has invalid format
  typically occurs in the context of SAP Web Dynpro applications when a value passed to a UI element or context attribute does not conform to the expected format.
  
  Cause
  
  The error indicates that a value assigned to a Web Dynpro UI element or context attribute is not in the correct format expected by the element.
  This often happens when:
  
  A string is passed where a number is expected.
  A date or time value is not in the expected format.
  A value violates the data type or length restrictions defined in the context or UI element.
  
  
  It can also occur if the value contains invalid characters or is empty when a non-empty value is expected.
  
  
  Solution
  
  
  Check the Data Type and Format:
  
  Verify the data type of the context attribute or UI element property where the value is assigned.
  Ensure the value conforms to the expected format (e.g., numeric, date in YYYYMMDD, time in HHMMSS).
  
  
  
  Validate Input Values:
  
  If the value comes from user input, add validation logic to check the format before assigning it.
  Use conversion or formatting functions to convert the value into the correct format.
  
  
  
  Debug the Web Dynpro Application:
  
  Use the Web Dynpro debugger or add breakpoints to check the value being assigned.
  Identify where the invalid value is coming from.
  
  
  
  Check Context Node and Attribute Definitions:
  
  In the Web Dynpro component, check the context node and attribute definitions for data types and length.
  Adjust the value or the attribute definition accordingly.
  
  
  
  Handle Empty or Null Values:
  
  Ensure that mandatory fields are not empty.
  Provide default values if necessary.
  
  
  
  
  Related Information
  
  
  SAP Notes and Documentation:
  
  Check SAP Notes related to Web Dynpro runtime errors.
  SAP Help Portal on Web Dynpro for ABAP: https://help.sap.com/viewer/product/SAP_NETWEAVER/
  
  
  
  Common Data Types in Web Dynpro:
  
  String, Integer, Float, Date, Time, Boolean.
  Each has specific format requirements.
  
  
  
  Debugging Tools:
  
  Web Dynpro ABAP debugger.
  Runtime error logs (ST22).
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Value assigned to Web Dynpro element/context attribute has invalid format or data type mismatch.
  
  
  Solution
  Validate and format the value before assignment; check data types and context definitions; debug to find source of invalid value.
  
  
  Related Info
  SAP Notes, Web Dynpro documentation, debugging tools.
  
  
  
  
  If you provide the exact scenario or code snippet where this error occurs, I can help with a more specific solution.