How To Fix FB_RC018 - Assignment is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: FB_RC - Messages for Package FB_RC

• Message number: 018

• Message text: Assignment is not possible

What causes this issue?

You tried to assign some data records. Your system administrator has
implemented some rules which do not allow this.

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?

Contact your system administrator.

Procedure for System Administrators

The selected data records could not be assigned because of the
implementation of BAdI <NP>FB_RC_PRESENTATION</> (Interface
<NP>IF_EX_FB_RC_PRESENTATION</> Method <NP>CHECK_ASSIGN_OK</>).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FB_RC018 - Assignment is not possible ?

  The SAP error message FB_RC018, which states "Assignment is not possible," typically occurs during the process of posting a financial document in the SAP system. This error can arise due to various reasons related to the assignment of accounts, cost centers, or other financial elements. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Incorrect Account Assignment: The account you are trying to assign may not be valid for the transaction type or may not be set up correctly in the system.
  Missing Master Data: The required master data (e.g., cost center, internal order, profit center) may be missing or not properly configured.
  Account Type Restrictions: The account type (e.g., asset, liability, expense) may not allow the type of transaction you are trying to post.
  Document Type Restrictions: The document type being used may have specific restrictions on the types of accounts or assignments that can be used.
  Currency Issues: If there are currency differences or issues with currency conversion, it may lead to assignment problems.
  Posting Period Issues: The posting period may be closed or not open for the type of transaction you are trying to post.
  
  Solutions:
  
  Check Account Assignment: Verify that the account you are trying to use is valid for the transaction and is correctly configured in the system.
  Review Master Data: Ensure that all necessary master data (cost centers, internal orders, profit centers) is created and active.
  Validate Document Type: Check the configuration of the document type being used to ensure it allows the type of assignment you are trying to make.
  Open Posting Period: Make sure that the posting period is open for the transaction you are trying to post.
  Currency Configuration: If currency issues are suspected, check the currency settings and ensure that the correct currency is being used for the transaction.
  Consult SAP Notes: Look for relevant SAP Notes that may address specific issues related to this error message.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like FB01 (Post Document), FB50 (G/L Account Document), or F-02 (General Posting) to troubleshoot the issue.
  SAP Configuration: Review the configuration settings in the Financial Accounting (FI) module, particularly in the areas of account determination and document types.
  User Authorizations: Ensure that the user has the necessary authorizations to post to the accounts and cost centers involved in the transaction.
  SAP Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP documentation for further assistance.
  
  By systematically checking these areas, you should be able to identify the root cause of the FB_RC018 error and implement the appropriate solution.