How To Fix R8350 - Compound key &1 for DataSource &2 is too long

R8350 - Overview

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 350

• Message text: Compound key &1 for DataSource &2 is too long

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8350 - Compound key &1 for DataSource &2 is too long ?

  The SAP error message R8350 indicates that the compound key for a DataSource is too long. This typically occurs when the combined length of the fields that make up the compound key exceeds the maximum allowed length in SAP BW (Business Warehouse) or in the underlying database.
  
  Cause:
  
  Exceeding Length Limit: The compound key is formed by concatenating multiple fields. If the total length of these fields exceeds the limit (usually 240 characters for BW), this error will occur.
  DataSource Configuration: The DataSource may be incorrectly configured, leading to an unintended combination of fields that results in a long compound key.
  Field Lengths: Individual fields that are part of the compound key may have been defined with longer lengths than necessary.
  
  
  Solution:
  
  
  Review DataSource Configuration:
  
  Check the DataSource definition in the SAP BW system.
  Identify the fields that are part of the compound key and their lengths.
  Consider removing unnecessary fields from the compound key or replacing them with