How To Fix DT804 - Internal error

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 804

• Message text: Internal error

What causes this issue?

An error occurred when editing the table for defining
<DS:TX.DOKU_RADTBFDS_KUNDENFELD>customer fields</>.

System Response

The desired function could not be executed.

How to fix this error?

If, when you try again, the error recurs, it is likely that a program
error exists. You may be able to eliminate this (through debugging).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT804 - Internal error ?

  The SAP error message DT804, which indicates an "Internal error," can be somewhat vague and may arise from various underlying issues. Here are some common causes, potential solutions, and related information that may help you troubleshoot this error:
  Causes:
  
  Data Consistency Issues: The error may occur due to inconsistencies in the data being processed, such as missing or corrupted records.
  System Configuration: Incorrect configuration settings in the SAP system can lead to internal errors.
  Program Errors: Bugs or issues in custom ABAP programs or standard SAP programs can trigger this error.
  Memory Issues: Insufficient memory allocation or resource constraints on the SAP application server can lead to internal errors.
  Transport Issues: Problems during the transport of objects between systems can also cause this error.
  
  Solutions:
  
  Check Logs: Review the system logs (transaction codes like SLG1 for application logs or ST22 for dump analysis) to identify more specific details about the error.
  Data Validation: Ensure that the data being processed is complete and consistent. Check for any missing or invalid entries.
  Debugging: If the error occurs in a custom program, use the ABAP debugger to step through the code and identify where the error is occurring.
  System Configuration: Verify that the system configuration settings are correct and align with the requirements of the processes being executed.
  Memory Allocation: Check the memory settings of the SAP instance and adjust them if necessary. You may need to increase the heap size or other memory parameters.
  Transport Management: If the error is related to a transport, ensure that all objects have been properly transported and activated in the target system.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address the specific error or provide patches and updates.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any logs or dumps.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  Documentation: Review SAP documentation related to the specific module or functionality you are working with, as it may provide insights into common issues and their resolutions.
  
  Conclusion:
  The DT804 error can be caused by a variety of factors, and resolving it often requires a systematic approach to identify the root cause. By following the steps outlined above, you can troubleshoot the issue effectively. If necessary, don't hesitate to seek help from SAP Support or community resources.