How To Fix WZ300 - *** 300 - 399 reserved SAPforms ***

SAP Error Message - Details

• Message type: E = Error

• Message class: WZ - Workflow: Model objects

• Message number: 300

• Message text: *** 300 - 399 reserved SAPforms ***

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WZ300 - *** 300 - 399 reserved SAPforms *** ?

  The SAP error message WZ300: ** 300 - 399 reserved SAPforms  ** typically occurs when there is an attempt to create or use a SAPscript form with a form number in the range 300 to 399, which is reserved by SAP.
  
  Cause:
  
  SAP reserves the form numbers 300 to 399 for standard SAP forms.
  When you try to create or assign a SAPscript form with a form number in this reserved range, the system throws the error WZ300.
  This is a protective measure to avoid conflicts with standard SAP forms that are delivered by SAP and should not be overwritten or modified unintentionally.
  
  
  Solution:
  
  Use a form number outside the reserved range 300-399.
  When creating custom SAPscript forms, choose form numbers below 300 or above 399.
  Check the naming and numbering conventions in your system to avoid conflicts with SAP standard forms.
  If you need to modify a standard SAP form, SAP recommends copying the standard form to a new form number outside the reserved range and then making your changes.
  
  
  Related Information:
  
  The message class WZ is related to SAPscript forms.
  SAP standard forms are delivered with form numbers in the range 300-399.
  Custom forms should use numbers outside this range to prevent conflicts.
  You can check existing forms and their numbers in transaction SE71 (SAPscript form maintenance).
  For printing and output management, ensure that the form number assigned in the output type or print program corresponds to a valid, non-reserved form number.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WZ300:  300 - 399 reserved SAPforms 
  
  
  Cause
  Using SAPscript form number in reserved range 300-399
  
  
  Solution
  Use form numbers outside 300-399 range; copy standard forms if modification needed
  
  
  Transaction
  SE71 (SAPscript form maintenance)
  
  
  
  
  If you need to modify a standard SAP form, always create a copy with a new form number outside the reserved range to avoid this error and ensure system stability.