SAP Knowledge Base Article - Preview

2292152 - WinMain: ParamException:No_Such_Param_ERR - Workforce Performance Builder Producer


  • While editing a control highlight in the preview pane, you receive an exception pop-up with the error:

WinMain: ParamException:NO_SUCH_PARAM_ERR in 'Params.cpp'

  • To continue from this error message, there are two Buttons available: 'Retry' and 'Cancel'.
    • If you select ‘Retry’, you return to editing.
    • But, if you select ‘Cancel’, the Producer disappears without an opportunity to save your work. 

  • This issue occurs when editing the Mouse Action interaction macro highlights:

      • Whether or not he Mouse Action is recorded or input manually.
      • Whether or not the ‘Show windows content while dragging’ is set.  (See Producer Manual section

  • This issue does not occur for Input Text, Explanation, Radiobutton, Checkbox, Key-stroke or Select Single.



  • Producer 9.4.2.


SAP Workforce Performance Builder 9.4, producer option


Workforce Performance Builder Producer, WPB Producer, Crash, highlight, edit, Exception , KBA , KM-WPB-PRO , SAP Enable Now - Producer , Problem

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