How To Fix /CFG/DSY001 - No namespace definition determined from TRESC for field &1 of table &2

/CFG/DSY001 - Overview

• Message type: E = Error

• Message class: /CFG/DSY -

• Message number: 001

• Message text: No namespace definition determined from TRESC for field &1 of table &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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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/CFG/DSY001 - Details

• The SAP error message /CFG/DSY001 No namespace definition determined from TRESC for field &1 of table &2 typically indicates that there is an issue with the configuration of the Data Source (DSY) in the SAP system. This error arises when the system is unable to find a namespace definition for a specific field in a table, which is necessary for the data extraction or transformation process.
  
  Cause:
  
  Missing Namespace Definition: The most common cause is that the namespace definition for the specified field in the specified table is not defined in the TRESC (Table for Namespace Definitions).
  Incorrect Configuration: There may be an issue with the configuration of the Data Source or the related structures.
  Transport Issues: If the configuration was recently transported from another system, it might not have been transported correctly, leading to missing definitions.
  Custom Development: If the field is part of a custom development, it may not have been properly registered