How To Fix OK020 - Entry in table ITAB_NETZ with key AUFNR = & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: OK - Logical database PS

• Message number: 020

• Message text: Entry in table ITAB_NETZ with key AUFNR = & does not exist

What causes this issue?

An error occurred in the system.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

INCLUDE 'NA_ALLG_SYSTEMVERW' OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OK020 - Entry in table ITAB_NETZ with key AUFNR = & does not exist ?

  The SAP error message OK020 indicates that there is an issue with the network (or activity) assignment in a project or order. Specifically, it means that the system is trying to access an entry in the internal table ITAB_NETZ using a key (in this case, the order number AUFNR), but it cannot find a corresponding entry.
  Cause:
  
  Missing Network Assignment: The most common cause of this error is that the network (or activity) associated with the order number does not exist. This could happen if the network was deleted or if the order was created without a valid network assignment.
  Incorrect Order Number: The order number being referenced may be incorrect or may not have been created properly.
  Data Inconsistency: There may be inconsistencies in the database, such as missing entries due to a failed transaction or data migration issues.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the network data.
  
  Solution:
  
  Check Network Assignment: Verify that the network associated with the order number exists. You can do this by navigating to the relevant transaction (e.g., CN21 for creating networks or CN22 for changing networks) and checking if the network is present.
  Validate Order Number: Ensure that the order number you are using is correct. You can check this in the order management transaction (e.g., CO02 for changing orders).
  Recreate Network: If the network is missing, you may need to recreate it and ensure it is properly assigned to the order.
  Check for Data Consistency: Run consistency checks or reports to identify any inconsistencies in the data. You may need to consult with your SAP Basis or technical team to perform database checks.
  Authorization Check: Ensure that the user has the necessary authorizations to access the network data. You can check this in the user roles and authorizations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN21, CN22, CO02, and CO03 for managing networks and orders.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search the SAP Support Portal for specific notes that may address this issue.
  Documentation: Review SAP documentation related to project systems (PS) and order management for more insights on network and order relationships.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data setup in your SAP environment.