How To Fix CM309 - You have reached the last selected allocation.

SAP Error Message - Details

• Message type: E = Error

• Message class: CM - Task list messages: Material component allocations

• Message number: 309

• Message text: You have reached the last selected allocation.

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 CM309 - You have reached the last selected allocation. ?

  The SAP error message CM309, which states "You have reached the last selected allocation," typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with cost allocations or assessments. This message indicates that the user has attempted to navigate beyond the last allocation entry available in the system.
  Cause:
  
  End of Allocation List: The user is trying to access or select an allocation that does not exist because they have already reached the last entry in the list.
  Incorrect Navigation: The user may be using navigation buttons (like "Next" or "Previous") incorrectly, leading to an attempt to go beyond the available data.
  Data Filtering: If there are filters applied to the allocation list, it may limit the visible entries, causing confusion when trying to navigate.
  
  Solution:
  
  Check Navigation: Ensure that you are using the navigation buttons correctly. If you are at the last entry, refrain from clicking "Next" or similar options.
  Review Filters: If you have applied any filters to the allocation list, consider removing or adjusting them to see if more entries are available.
  Refresh the List: Sometimes, refreshing the screen or reloading the allocation list can help in case of temporary glitches.
  Consult Documentation: Refer to SAP documentation or help files for specific instructions related to the transaction you are working on.
  Contact Support: If the issue persists and you believe it is not due to user error, consider reaching out to your SAP support team or consulting with a functional consultant for further assistance.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to cost allocation, such as KSU5 (Cost Center Allocation) or KSV5 (Activity Type Allocation).
  User Permissions: Ensure that you have the necessary permissions to view and navigate through the allocation entries.
  System Updates: Occasionally, system updates or changes in configuration can lead to unexpected behavior. Check if there have been any recent changes in the system.
  
  By following these steps, you should be able to resolve the CM309 error and continue with your allocation tasks in SAP.