How To Fix ON170 - Select an object type

SAP Error Message - Details

• Message type: E = Error

• Message class: ON - Tools in area Object Modeler / Object Editor

• Message number: 170

• Message text: Select an object type

What causes this issue?

You have executed the function Select for a line which does not contain
an object type. However, only object types can be displayed by means of
Select.

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?

Execute the operation for an object type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ON170 - Select an object type ?

  The SAP error message ON170 "Select an object type" typically occurs in the context of object selection in various SAP transactions, particularly when working with object management or when trying to perform actions that require specifying an object type (like a material, vendor, customer, etc.).
  Cause:
  The error usually arises due to one of the following reasons:
  
  No Object Type Selected: The user has not selected any object type in the relevant selection screen.
  Invalid Object Type: The object type selected is not valid or recognized by the system.
  Authorization Issues: The user may not have the necessary authorizations to view or select certain object types.
  Configuration Issues: There may be configuration settings in the system that are not set up correctly, leading to the inability to select an object type.
  
  Solution:
  To resolve the ON170 error, you can try the following steps:
  
  
  Select an Object Type: Ensure that you have selected a valid object type from the available options in the selection screen. Look for dropdown menus or selection lists that allow you to choose the appropriate object type.
  
  
  Check for Validity: If you are selecting an object type manually, ensure that it is a valid type recognized by the system. Refer to the documentation or help files for the specific transaction you are using.
  
  
  Review Authorizations: Check if you have the necessary authorizations to access the object types you are trying to work with. You may need to contact your SAP security administrator to verify your roles and permissions.
  
  
  Consult Configuration: If you suspect a configuration issue, consult with your SAP Basis or configuration team to ensure that the system is set up correctly for the object types you are trying to use.
  
  
  Restart the Transaction: Sometimes, simply restarting the transaction or logging out and back into the system can resolve temporary glitches.
  
  
  Check for Notes and Updates: Look for any SAP Notes or updates related to the specific transaction or module you are working with. There may be known issues or patches available.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific transaction or module you are using to understand the context of object types.
  SAP Community: The SAP Community forums can be a valuable resource for finding solutions to specific error messages and issues encountered by other users.
  Transaction Codes: Familiarize yourself with the transaction codes related to the object types you are working with, as this can help in navigating the system more effectively.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team for further assistance.