How To Fix DDU121 - >>>Check and write active table sources

DDU121 - Overview

• Message type: E = Error

• Message class: DDU - Dictionary Tools 5.0

• Message number: 121

• Message text: >>>Check and write active table sources

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDU121 - >>>Check and write active table sources ?

  The SAP error message DDU121, which states "Check and write active table sources," typically relates to issues with the data sources in the SAP system, particularly in the context of data extraction or data transfer processes. This error can occur in various scenarios, such as during the extraction of data from a source system to a target system, or when there are inconsistencies in the data source definitions.
  Causes:
  
  Inconsistent Data Sources: The active table sources may not be properly defined or may have inconsistencies that prevent the system from processing them correctly.
  Missing or Incorrect Configuration: The configuration for the data source may be incomplete or incorrect, leading to issues when the system attempts to access or write data.
  Transport Issues: If the data source definitions were transported from one system to another, there may be issues with the transport that need to be resolved.
  Authorization Issues: Lack of proper authorizations for accessing the