How To Fix DT858 - & is added as & to the key of the table

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 858

• Message text: & is added as & to the key of the table

What causes this issue?

The include being processed was added by SAP to the key of the table.
It is added to the end of the key.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT858 - & is added as & to the key of the table ?

  The SAP error message DT858 typically indicates an issue related to the data type or structure of a table field, particularly when it comes to the use of special characters like "&" in the key of a table. This error can arise in various contexts, such as during data entry, report generation, or when executing certain transactions.
  Cause:
  
  Invalid Characters: The presence of special characters (like "&") in the key fields of a table can lead to issues, as these characters may not be allowed or may have special meanings in certain contexts.
  Data Type Mismatch: The error may also occur if there is a mismatch between the expected data type of a field and the actual data being processed.
  Configuration Issues: Sometimes, the error can stem from incorrect configuration settings in the SAP system or in the specific module being used.
  
  Solution:
  
  Check Key Fields: Review the key fields of the table in question and ensure that they do not contain any invalid characters. If they do, consider removing or replacing them.
  Data Validation: Validate the data being entered or processed to ensure it conforms to the expected formats and types.
  Review Table Structure: Check the structure of the table in the Data Dictionary (SE11) to ensure that it is correctly defined and that there are no inconsistencies.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional guidance and troubleshooting steps.
  Debugging: If you have access to debugging tools, you can trace the execution to identify where the error is being triggered and gather more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the DT858 error. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like SE11 for Data Dictionary, SE37 for function modules, etc.) that can help you investigate the issue further.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for more in-depth analysis and assistance.