How To Fix G0866 - Running only in test mode because of errors

G0866 - Overview

• Message type: E = Error

• Message class: G0 - Messages for SAP Consolidation

• Message number: 866

• Message text: Running only in test mode because of errors

What causes this issue?

Errors occurred while uploading file &V1&. This update run will now be
executed in test mode.

System Response

No records will be written

How to fix this error?

Look up the individual errors displayed in the log and correct the
problems if possible by changing or re-creating the upload file.
Update mode will write the records as soon as the log no longer reports
any errors.

Procedure for System Administrators

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 G0866 - Running only in test mode because of errors ?

  The SAP error message G0866, which states "Running only in test mode because of errors," typically indicates that there are issues in the configuration or data that prevent the system from executing a process in production mode. This error is often encountered in various SAP modules, particularly in financial or controlling processes.
  Causes:
  
  Configuration Errors: There may be incorrect or incomplete configuration settings in the relevant SAP module.
  Data Issues: Missing or incorrect data entries can lead to errors. This could include missing master data, incorrect transaction data, or inconsistencies in the data.
  Authorization Issues: The user may not have the necessary authorizations to execute the transaction in production mode.
  System Settings: Certain system settings or parameters may be incorrectly set, leading to the system defaulting to test mode.
  Dependencies: There may be dependencies on other processes or configurations that are not met.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the relevant module to ensure they are