How To Fix GM147 - Resource &1 not defined in period &2

SAP Error Message - Details

• Message type: E = Error

• Message class: GM - Combination manager

• Message number: 147

• Message text: Resource &1 not defined in period &2

What causes this issue?

You want to plan or post to resource &V1& in period &V2&. However, this
resource does not exist in this period and cannot therefore be used
here.

System Response

The system rejects your entry.

How to fix this error?

Either:
Stop extending the validity period of resource &V1&, or
Shorten the planning or posting period so that this period lies within
the validity period of resource &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GM147 - Resource &1 not defined in period &2 ?

  The SAP error message GM147 ("Resource &1 not defined in period &2") typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with budget management or resource planning. This error indicates that a specific resource (identified by &1) is not defined or available for the specified period (identified by &2).
  Cause:
  
  Resource Not Defined: The resource you are trying to use has not been defined in the system for the specified period. This could be due to missing configuration or setup.
  Period Not Open: The period you are trying to access may not be open for posting or may be closed in the system.
  Incorrect Resource Assignment: The resource may not be correctly assigned to the relevant organizational unit or project.
  Master Data Issues: There may be issues with the master data related to the resource, such as missing or incorrect entries.
  
  Solution:
  
  
  Check Resource Definition:
  
  Go to the relevant configuration transaction (e.g., OMPA for planning) and verify that the resource is defined for the specified period.
  Ensure that the resource is correctly set up in the system.
  
  
  
  Open the Period:
  
  Check if the period is open for posting. You can do this in the transaction code OB52 (for controlling periods) or through the relevant configuration settings.
  If the period is closed, you may need to open it for the necessary transactions.
  
  
  
  Verify Resource Assignment:
  
  Ensure that the resource is correctly assigned to the relevant project, cost center, or internal order.
  Check the assignment in the master data settings.
  
  
  
  Review Master Data:
  
  Check the master data for the resource to ensure that all necessary fields are filled out correctly.
  If there are discrepancies, correct them in the master data.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for additional context on the error and potential fixes.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OMPA (for planning), OB52 (for period control), and others related to resource management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to access and modify the resource and period settings.
  
  By following these steps, you should be able to identify the cause of the GM147 error and implement the appropriate solution.