How To Fix WP307 - Syntax rules for IDOC type & have not been maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 307

• Message text: Syntax rules for IDOC type & have not been maintained

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• What is the cause and solution for SAP error message WP307 - Syntax rules for IDOC type & have not been maintained ?

  The SAP error message:
  WP307: Syntax rules for IDOC type & have not been maintained
  
  Cause:
  This error occurs when the syntax rules for the specified IDoc type have not been maintained in the system. Syntax rules define the structure and validation criteria for an IDoc type, and without these rules, the system cannot properly process or validate the IDoc.
  Typically, this happens when:
  
  The IDoc type is newly created but the syntax rules have not been set up.
  The syntax rules were accidentally deleted or not transported to the current system.
  The system is trying to process an IDoc type for which the syntax rules are missing or incomplete.
  
  
  Solution:
  To resolve this error, you need to maintain the syntax rules for the IDoc type in question.
  Steps:
  
  
  Go to transaction WE60 (IDoc Documentation) or WE31 (IDoc Segment Editor) to check the IDoc type and segments.
  
  
  Maintain Syntax Rules:
  
  Use transaction WE82 (Maintain Syntax Rules).
  Enter the IDoc type for which the syntax rules are missing.
  If no syntax rules exist, create new ones by defining the syntax rules for the IDoc type.
  Save the entries.
  
  
  
  Alternatively, you can use transaction WE81 to check the syntax rules and assign them to the IDoc type.
  
  
  After maintaining the syntax rules, try processing the IDoc again.
  
  
  
  Additional Information:
  
  Syntax rules are essential for the IDoc processing framework to validate the structure and data of IDocs.
  If you are working in a development or test system, ensure that the syntax rules are transported properly to the production system.
  Sometimes, the error can also occur if the IDoc type is custom and the syntax rules were never created.
  For standard SAP IDoc types, syntax rules should already exist; if missing, check for system inconsistencies or missing transports.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error Message
  WP307: Syntax rules for IDOC type & have not been maintained
  
  
  Cause
  Syntax rules for the IDoc type are missing or not maintained
  
  
  Solution
  Maintain syntax rules via transaction WE82 or WE81
  
  
  Related Transactions
  WE82 (Maintain Syntax Rules), WE81 (Syntax Rules), WE60 (IDoc Documentation), WE31 (Segment Editor)
  
  
  
  
  If you need further help, you can check SAP Notes related to IDoc syntax rules or consult SAP documentation on IDoc configuration.