How To Fix DT556 - Online execution can cause timeouts

DT556 - Overview

• Message type: E = Error

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

• Message number: 556

• Message text: Online execution can cause timeouts

What causes this issue?

The table for which an index is to be created or converted already has
very many entries. Creating the index will therefore last for some time
and may lead to a termination by exceeding the runtime.

System Response

The system offers you the chance to execute the index change as a
background job.

How to fix this error?

If a previous attempt already led to the runtime being exceeded, or if
this is likely, schedule the change as a background job.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT556 - Online execution can cause timeouts ?

  The SAP error message DT556, which indicates that "Online execution can cause timeouts," typically arises in the context of long-running operations or processes in SAP systems, particularly when executing reports or transactions that may take a significant amount of time to complete. This can lead to performance issues or timeouts, especially in environments with strict timeout settings.
  Causes:
  
  Long-Running Queries: The operation being executed may involve complex queries or data processing that takes longer than the allowed timeout period.
  System Performance: High system load or resource contention can slow down processing times, leading to timeouts.
  Network Issues: Poor network connectivity or latency can also contribute to the time it takes for the operation to complete.
  Configuration Settings: Timeout settings in the SAP system or the database may be configured too low for the operations being performed.
  
  Solutions:
  
  Optimize Queries: Review and optimize the queries or reports being executed to ensure they run more efficiently. This may involve