How To Fix MANAGE_ALLOC028 - Plan Category has to be filled.

SAP Error Message - Details

• Message type: E = Error

• Message class: MANAGE_ALLOC -

• Message number: 028

• Message text: Plan Category has to be filled.

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 MANAGE_ALLOC028 - Plan Category has to be filled. ?

  The SAP error message MANAGE_ALLOC028 indicates that the "Plan Category" field must be filled in a specific context, typically when dealing with planning or allocation processes in SAP. This error often arises in the context of planning functions, such as in SAP Integrated Business Planning (IBP) or SAP S/4HANA.
  Cause:
  The error occurs when a user attempts to execute a planning function or transaction that requires a "Plan Category" to be specified, but the field is left blank. The "Plan Category" is essential for the system to understand the type of planning or allocation being performed, as it defines the context and parameters for the operation.
  Solution:
  To resolve the error, follow these steps:
  
  
  Identify the Transaction/Function: Determine which transaction or planning function you are trying to execute when the error occurs.
  
  
  Locate the Plan Category Field: In the relevant screen or dialog, find the "Plan Category" field. This is usually a dropdown or input field.
  
  
  Select or Enter a Value: Choose an appropriate value for the "Plan Category" from the available options. If you are unsure which category to select, consult your organization's planning guidelines or documentation.
  
  
  Re-execute the Function: After filling in the "Plan Category," try to execute the function or transaction again.
  
  
  Check User Authorizations: If you are unable to see the required options for the "Plan Category," ensure that you have the necessary authorizations to access the planning categories.
  
  
  Consult Documentation: If the issue persists, refer to SAP documentation or your organization's SAP support team for further guidance on the specific planning context you are working with.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to the error message. SAP frequently releases notes that address specific error messages and provide solutions or workarounds.
  Training and Documentation: Review any training materials or documentation provided by your organization regarding planning processes in SAP. This can help clarify the use of "Plan Categories."
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to resolve the MANAGE_ALLOC028 error and proceed with your planning activities in SAP.