How To Fix DT208 - Table is too long

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 208

• Message text: Table is too long

What causes this issue?

The sum of the field lengths of the table fields is too large. This
situation can occur, for example, when you convert a structure into a
transparent table.

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?

Remove fields from the table or shorten the field lengths.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT208 - Table is too long ?

  The SAP error message DT208, which states "Table is too long," typically occurs when you are trying to process or manipulate a table that exceeds certain limits set by the SAP system. This can happen in various contexts, such as when working with internal tables in ABAP programs, database tables, or during data uploads.
  Cause:
  
  Internal Table Size: The internal table you are trying to use may exceed the maximum size allowed by the system. In ABAP, internal tables have a limit on the number of rows they can contain, which is often influenced by the memory available and the configuration of the system.
  Database Table Size: If you are trying to read or write to a database table that has a very large number of entries, you may encounter this error.
  Data Uploads: When uploading data (e.g., using LSMW or BAPIs), if the data set is too large, it can trigger this error.
  Memory Limitations: The system may have memory limitations that prevent it from processing large tables.
  
  Solution:
  
  Reduce Table Size: If you are working with an internal table, consider breaking it into smaller chunks or processing it in batches. This can help avoid hitting the size limit.
  Optimize Queries: If the error occurs during database operations, optimize your SQL queries to limit the number of records being processed at one time. Use WHERE clauses to filter data effectively.
  Increase Memory Limits: If you have the necessary permissions, you can adjust the memory settings in the SAP system to allow for larger internal tables. This may involve changing parameters in the instance profile.
  Use Pagination: For data retrieval, implement pagination techniques to fetch data in smaller sets rather than all at once.
  Check System Configuration: Consult with your SAP Basis team to ensure that the system is configured correctly to handle the expected data volumes.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error. SAP frequently releases updates that may address performance issues or bugs.
  Documentation: Review the SAP documentation for guidelines on handling large datasets and best practices for ABAP programming.
  Performance Monitoring: Use transaction codes like ST22 (Dump Analysis) and SM21 (System Log) to monitor for any related issues that may provide more context on the error.
  Consult SAP Community: Engage with the SAP Community or forums for insights from other users who may have encountered and resolved similar issues.
  
  If the problem persists after trying these solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.