How To Fix 3G436 - Error at INSERT in table PPDHD: DOCNUM = &1 is already available

SAP Error Message - Details

• Message type: E = Error

• Message class: 3G - Payroll: International

• Message number: 436

• Message text: Error at INSERT in table PPDHD: DOCNUM = &1 is already available

What causes this issue?

An error occurred when inserting in the database table PPDHD. A record
with the key DOCNUM = &V1& should be inserted. However, a record with
the same key already exists.
It is possible that the number range status of the number range object
HRPP_PDOC intervall 01 was reset so that the numbers already assigned
are now retrieved by the system.

System Response

The document cannot be created. The system terminates processing of the
posting run.

How to fix this error?

Correct the number range status of the number range object HRPP_PDOC.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 3G436 - Error at INSERT in table PPDHD: DOCNUM = &1 is already available ?

  The SAP error message 3G436 indicates that there is an attempt to insert a record into the table PPDHD (which is typically related to production planning and control) with a document number (DOCNUM) that already exists in the table. This is a common issue when dealing with database operations where unique constraints are enforced.
  Cause:
  The primary cause of this error is that the document number you are trying to insert is already present in the PPDHD table. This could happen due to:
  
  A duplicate entry being created by mistake.
  A previous transaction that was not completed properly, leaving the document number in the table.
  An issue with the logic in the program or transaction that generates document numbers.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Existing Document Number:
  
  Use transaction codes like SE16 or SE11 to view the contents of the PPDHD table and check if the document number (DOCNUM) already exists.
  If it does exist, determine if the existing entry is valid or if it needs to be deleted or modified.
  
  
  
  Modify the Insert Logic:
  
  If you are developing or maintaining a custom program, ensure that the logic for generating document numbers is robust and checks for existing numbers before attempting to insert a new record.
  
  
  
  Error Handling:
  
  Implement error handling in your program to manage situations where a duplicate document number is encountered. This could involve notifying the user or logging the error for further investigation.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific module you are working with to see if there are any known issues or additional steps that need to be taken.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot determine the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific configuration and version of your SAP system.
  
  
  
  Related Information:
  
  Table PPDHD: This table is part of the SAP system that stores header data for production planning documents. Understanding its structure and relationships with other tables can help in troubleshooting.
  Unique Constraints: Familiarize yourself with the unique constraints defined on the PPDHD table to understand what fields must be unique and how they are enforced.
  Transaction Codes: Use transaction codes like SE16 (Data Browser) or SE11 (Data Dictionary) to explore the table and its entries.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to prevent it from occurring in the future.