How To Fix LD156 - Data could not be loaded

SAP Error Message - Details

• Message type: E = Error

• Message class: LD - Logistics Automotive Line Design

• Message number: 156

• Message text: Data could not be loaded

What causes this issue?

The data could not be provided. Possible causes are:
You are not authorized to read this data.
An internal error has occurred.

How to fix this error?

Make sure that you are authorized to read the data to be printed. Carry
out the transaction again. If the error occurs again, contact SAP with
a problem message.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LD156 - Data could not be loaded ?

  The SAP error message LD156 ("Data could not be loaded") typically occurs during the data loading process in SAP BW (Business Warehouse) or during data extraction processes. This error can arise from various issues, and understanding the cause is crucial for finding a solution. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Data Source Issues: The data source from which you are trying to load data may be unavailable or incorrectly configured.
  Transformation Errors: There may be issues in the transformation rules that prevent data from being processed correctly.
  Data Format Issues: The data being loaded may not match the expected format or structure defined in the target InfoObject or DataStore Object (DSO).
  Authorization Issues: The user executing the data load may not have the necessary authorizations to access the data source or target.
  Network Issues: Connectivity problems between the source system and the SAP BW system can lead to data loading failures.
  Data Quality Issues: Invalid or inconsistent data in the source system can cause the load to fail.
  
  Solutions:
  
  Check Data Source Configuration: Ensure that the data source is correctly configured and available. Test the connection to the source system.
  Review Transformation Rules: Examine the transformation rules for any errors or inconsistencies. Make sure that the mappings are correct and that all required fields are included.
  Validate Data Format: Check the data format in the source system to ensure it matches the expected format in SAP BW. Look for any discrepancies in data types or structures.
  Check Authorizations: Verify that the user has the necessary authorizations to perform the data load. This includes access to both the source and target systems.
  Monitor Network Connectivity: Ensure that there are no network issues affecting the connection between the source and SAP BW systems.
  Data Quality Checks: Perform data quality checks on the source data to identify and correct any invalid or inconsistent records.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to monitor data loads and check for errors.
  Error Logs: Check the error logs in the Data Transfer Process (DTP) or InfoPackage for more detailed information about the error.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to error LD156.
  Documentation: Refer to SAP documentation for best practices on data loading and troubleshooting common errors.
  
  By systematically addressing these areas, you should be able to identify the root cause of the LD156 error and implement an appropriate solution.