How To Fix PK855 - Table PKPS was modified by customer

SAP Error Message - Details

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 855

• Message text: Table PKPS was modified by customer

What causes this issue?

Table PKPS is to be converted. During the conversion, it was noted that
the Table has already been modified by the customer.

System Response

The program had to be terminated. If the program is not repeated again
successfully, then you will not be able to use Kanban.

How to fix this error?

Please clarify with SAP if and how you want to carry out the
conversion.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PK855 - Table PKPS was modified by customer ?

  The SAP error message PK855 indicates that the table PKPS (which is part of the SAP Production Planning module) has been modified by a customer. This typically means that there are custom enhancements or modifications that have been made to the standard SAP table, which can lead to issues when trying to execute certain transactions or processes that rely on that table.
  Cause:
  
  Custom Modifications: The most common cause of this error is that the PKPS table has been modified through custom development, such as user exits, BAdIs, or direct table modifications.
  Incompatibility: The modifications may not be compatible with the current version of SAP or with the specific transaction you are trying to execute.
  Data Integrity Issues: If the modifications have led to data integrity issues, it can cause the system to throw this error when it tries to access or manipulate data in the PKPS table.
  
  Solution:
  
  Review Custom Code: Check any custom code or enhancements that have been implemented related to the PKPS table. Ensure that they are correctly implemented and do not conflict with standard SAP functionality.
  Consult Documentation: If there is documentation for the custom modifications, review it to understand the intended changes and their impact on the system.
  Testing: Conduct thorough testing of the affected transactions to identify the specific scenarios that trigger the error. This can help in isolating the issue.
  Revert Changes: If possible, consider reverting the changes made to the PKPS table to the standard SAP version. This may involve restoring from a backup or removing custom enhancements.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this issue. There may be specific fixes or recommendations provided by SAP.
  Engage SAP Support: If the issue persists and you cannot resolve it internally, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific details of your system and the modifications made.
  
  Related Information:
  
  PKPS Table: This table is used in the context of production planning and contains data related to production orders.
  Custom Enhancements: Modifications to standard SAP tables can lead to complications during upgrades or when applying patches, so it is essential to manage these changes carefully.
  SAP Best Practices: Following SAP best practices for enhancements and modifications can help prevent such issues. This includes using enhancement frameworks provided by SAP rather than modifying standard tables directly.
  
  By addressing the root cause of the modifications and ensuring compatibility with standard SAP processes, you can resolve the PK855 error and restore normal functionality.