How To Fix OM306 - Check is not possible at this level

OM306 - Overview

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 306

• Message text: Check is not possible at this level

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OM306 - Check is not possible at this level ?

  The SAP error message "OM306: Check is not possible at this level" typically occurs in the context of configuration settings related to the controlling (CO) module, particularly when dealing with cost centers, internal orders, or other controlling objects. This error indicates that the system is unable to perform a check or validation at the specified level of the hierarchy or structure.
  Causes:
  
  
  Incorrect Hierarchy Level: The error often arises when the system is trying to validate or check a configuration at a level where it is not applicable. For example, if you are trying to assign a cost center to a higher-level structure that does not support that assignment.
  
  
  Missing Configuration: There may be missing or incomplete configuration settings in the controlling area, such as missing cost center groups or internal order types.
  
  
  Inconsistent Data: There could be inconsistencies in the data entered, such as incorrect master data for cost centers or internal orders.
  
  
  Authorization