How To Fix WD507 - You defined & placeholders in title but assigned values to & parameters

SAP Error Message - Details

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 507

• Message text: You defined & placeholders in title but assigned values to & parameters

What causes this issue?

You have made entries for &v1& parameters in the title placeholder
('&'), but in fact &v2& parameters have values.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Align the number of placeholders and variables.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WD507 - You defined & placeholders in title but assigned values to & parameters ?

  SAP Error Message:
  
  WD507 – You defined & placeholders in title but assigned values to & parameters
  
  Cause
  This error occurs in SAP Web Dynpro when there is a mismatch between the placeholders defined in a UI element's title (or text) and the parameters assigned to it. Specifically:
  
  The title or text contains placeholders like &1, &2, etc.
  The code assigns values to parameters, but the number or order of parameters does not match the placeholders.
  For example, the title might have two placeholders (&1 and &2), but only one parameter value is assigned, or vice versa.
  Alternatively, the placeholders might be incorrectly defined or the parameters are assigned to the wrong placeholders.
  
  
  Explanation
  In Web Dynpro, UI texts (like titles, labels, messages) can contain placeholders (&1, &2, ...) which are dynamically replaced by parameter values at runtime. The system expects the number of parameters assigned to match the number of placeholders in the text.
  If this is not the case, the system raises error WD507 to indicate the inconsistency.
  
  Solution
  
  
  Check the Title/Text Definition:
  
  Open the UI element (e.g., view, window, component) where the title or text is defined.
  Verify the number and position of placeholders (&1, &2, etc.) in the text.
  
  
  
  Check Parameter Assignment:
  
  In the code (usually in the context of setting the title or text), check how many parameters are assigned.
  Ensure the number of parameters matches the number of placeholders.
  Example:
  wd_this->element->set_title( iv_title = 'Order &1 for Customer &2' iv_parameters = VALUE #( ( '12345' ) ( 'ABC Corp' ) ) ).
  Here, two placeholders &1 and &2 require two parameters.
  
  
  
  
  Correct the Mismatch:
  
  If there are more placeholders than parameters, add the missing parameters.
  If there are more parameters than placeholders, remove the extra parameters.
  If placeholders are not needed, remove them from the text.
  
  
  
  Check for Typographical Errors:
  
  Sometimes, placeholders might be mistyped (e.g., & instead of &1).
  Ensure placeholders are correctly numbered and formatted.
  
  
  
  Test the UI:
  
  After correction, test the UI to confirm the error no longer appears.
  
  
  
  
  Related Information
  
  
  SAP Note / Documentation:
  
  There might be SAP Notes related to this error if it occurs due to specific Web Dynpro versions or patches.
  
  
  Web Dynpro Text Placeholders:
  
  SAP Web Dynpro uses placeholders in texts to allow dynamic content. The syntax is &n where n is a number starting from 1.
  
  
  Debugging Tips:  
  
  Use the debugger to check the values assigned to the text parameters.
  Check the UI element properties in the Web Dynpro Explorer.
  
  
  
  Common Scenarios:
  
  Titles of windows, views, or UI elements.
  Messages or labels with dynamic content.
  Custom components where texts are set programmatically.
  
  
  
  
  Summary
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Mismatch between placeholders in title/text and assigned parameter values.
  
  
  Effect
  Runtime error WD507 is raised, UI text cannot be displayed properly.
  
  
  Solution
  Ensure the number and order of parameters assigned matches the placeholders in the text.
  
  
  Check
  Text definitions, parameter assignments, and correct placeholder syntax.
  
  
  
  
  If you provide the specific code snippet or UI element where this error occurs, I can help you pinpoint the exact mismatch.