How To Fix CN157 - Lengths defined for data fields are not identical

CN157 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 157

• Message text: Lengths defined for data fields are not identical

What causes this issue?

You want to define data fields for the reference point for the BOM/PS
interface. The length of the data fields in the BOM and in the network
activity must be identical.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Choose data fields for the reference point that have an identical
structure

Error message extract from SAP system. Copyright SAP SE.

CN157 - Details

• The SAP error message CN157, which states "Lengths defined for data fields are not identical," typically occurs in the context of SAP's Project System (PS) or when dealing with data structures that require consistent field lengths. This error indicates that there is a mismatch in the lengths of data fields that are expected to be the same across different structures or tables.
  
  Cause:
  
  Inconsistent Field Lengths: The most common cause of this error is that two or more data fields that are supposed to have the same length have been defined with different lengths in the data dictionary (DDIC) or in the program code.
  Custom Development: If there are custom developments or modifications in the system, it is possible that the lengths of fields were changed in one place but not in others.
  Data Transfer Issues: When transferring data between different systems or modules, if the field lengths are not aligned, this error can