How To Fix GM128 - Object type & unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: GM - Combination manager

• Message number: 128

• Message text: Object type & unknown

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message GM128 - Object type & unknown ?

  The SAP error message GM128, which states "Object type & unknown," typically occurs in the context of the SAP Grants Management (GM) module. This error indicates that the system is unable to recognize or find the specified object type in the context of the operation being performed.
  Causes:
  
  Incorrect Object Type: The object type specified in the transaction or program may not exist or may have been incorrectly entered.
  Configuration Issues: The object types may not be properly configured in the system, leading to the inability to recognize them.
  Authorization Issues: The user may not have the necessary authorizations to access the specified object type.
  Data Consistency Issues: There may be inconsistencies in the data, such as missing entries in the relevant tables.
  
  Solutions:
  
  Check Object Type: Verify that the object type you are trying to use is valid and exists in the system. You can do this by checking the configuration settings in the Grants Management module.
  Review Configuration: Ensure that the object types are correctly configured in the system. This may involve checking the customizing settings in SPRO (SAP Project Reference Object).
  Authorization Check: Make sure that the user has the necessary authorizations to access the object type. You may need to consult with your security team to verify and adjust authorizations if necessary.
  Data Consistency Check: Run consistency checks on the relevant tables to ensure that there are no missing or inconsistent entries. This may involve using transaction codes like SE11 or SE16 to inspect the relevant database tables.
  Consult Documentation: Refer to SAP documentation or notes related to Grants Management for any specific guidance or known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP GM, such as:
  
  GM01: Create Grant
  GM02: Change Grant
  GM03: Display Grant
  
  
  SAP Notes: Check SAP Notes for any updates or patches that may address this issue. You can search for notes related to Grants Management and error GM128 in the SAP Support Portal.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.