How To Fix RSDS246 - &1: Fields with variable length (STRG, SSTR, RSTR) must not be key fields

RSDS246 - Overview

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 246

• Message text: &1: Fields with variable length (STRG, SSTR, RSTR) must not be key fields

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS246 - &1: Fields with variable length (STRG, SSTR, RSTR) must not be key fields ?

  The SAP error message RSDS246 indicates that there is an issue with the definition of a DataSource in SAP BW (Business Warehouse). Specifically, it states that fields with variable length types (such as STRG, SSTR, RSTR) cannot be defined as key fields in the DataSource. This is a common issue when working with DataSources that involve variable-length character fields.
  
  Cause:
  The error occurs because SAP BW requires key fields to have a fixed length. Variable-length fields can lead to inconsistencies and complications in data processing, especially when it comes to indexing and performance. Key fields are used to uniquely identify records in a table, and having variable-length fields as key fields can create ambiguity.
  
  Solution:
  To resolve this error, you need to modify the DataSource definition to ensure that no variable-length fields are designated as key fields. Here are the steps to do this:
  
  
  Identify the DataSource: Determine which DataSource is causing the error. This