How To Fix CN888 - Problem in forming ITAB with relationships (LNWBTU27)

CN888 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 888

• Message text: Problem in forming ITAB with relationships (LNWBTU27)

What causes this issue?

An internal error occurred when creating Table ITAB using program
LNWBTU27.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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 CN888 - Problem in forming ITAB with relationships (LNWBTU27) ?

  The SAP error message CN888, which states "Problem in forming ITAB with relationships (LNWBTU27)," typically occurs in the context of project management or construction-related modules, particularly when dealing with network activities and relationships in SAP.
  
  Cause:
  The error CN888 usually arises due to issues in the internal table (ITAB) that is being formed for processing relationships between activities in a project. Common causes include:
  
  Data Inconsistencies: There may be inconsistencies or missing data in the project structure, such as missing relationships between activities or incorrect data entries.
  
  Configuration Issues: Incorrect configuration settings in the project management module can lead to problems in processing relationships.
  Technical Issues: There may be issues with the underlying ABAP code or program logic that is responsible for forming the internal table.
  Database Locks: If there are locks on the database tables that the program is trying to access, it can lead to this error.
  
  
  Solution:
  To resolve the CN888 error, you can take