How To Fix CH156 - No local field names defined - connection not established

CH156 - Overview

• Message type: E = Error

• Message class: CH - CAD/PP integration messages

• Message number: 156

• Message text: No local field names defined - connection not established

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 CH156 - No local field names defined - connection not established ?

  The SAP error message CH156: No local field names defined - connection not established typically occurs in the context of SAP's data transfer processes, particularly when working with data sources and data targets in the context of data extraction or data loading.
  
  Cause:
  
  Missing Field Definitions: The error indicates that there are no local field names defined for the data transfer. This can happen if the data source or target is not properly configured.
  Connection Issues: The connection to the data source or target may not be established correctly, which can lead to the system not being able to retrieve or send data.
  Configuration Errors: There may be issues in the configuration of the data transfer process, such as incorrect settings in the Data Transfer Workbench (DTW) or other related tools.
  Authorization Issues: The user may not have the necessary authorizations to access the data source or target.
  
  
  Solution:
  
  Check Field Definitions: Ensure that the local field