How To Fix RERAOP028 - Enter a company code and a posting activity

SAP Error Message - Details

• Message type: E = Error

• Message class: RERAOP - Message Class for One-Time Posting

• Message number: 028

• Message text: Enter a company code and a posting activity

What causes this issue?

You have not entered the company code or the basic data for the posting
activity.

System Response

The system cannot generate the line items until the entries are made.

How to fix this error?

First enter the company code and the posting activity.
If you call the one-time posting function in the RE Navigator (RE80),
then both fields already contain a default entry.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RERAOP028 - Enter a company code and a posting activity ?

  The SAP error message RERAOP028, which states "Enter a company code and a posting activity," typically occurs in the context of financial transactions or postings within the SAP system. This error indicates that the system requires specific information to proceed with the transaction, specifically a company code and a posting activity.
  Cause:
  
  Missing Input Fields: The user has not entered a company code or a posting activity in the relevant fields of the transaction screen.
  Incorrect Configuration: The system may not be properly configured to recognize the company code or posting activity.
  User Authorization: The user may not have the necessary permissions to access the company code or perform the posting activity.
  Transaction Context: The transaction being executed may require additional parameters that have not been provided.
  
  Solution:
  
  
  Enter Required Information: Ensure that both the company code and posting activity fields are filled in correctly. 
  
  Company Code: This is a unique identifier for a legal entity within the SAP system.
  Posting Activity: This refers to the type of transaction being performed (e.g., posting a journal entry, invoice, etc.).
  
  
  
  Check Configuration: If the fields are filled but the error persists, check the configuration settings in the SAP system to ensure that the company code and posting activity are correctly set up.
  
  
  User Permissions: Verify that the user has the necessary authorizations to perform the transaction. This may involve checking user roles and permissions in the SAP system.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction you are trying to execute. This can provide insights into any additional requirements or common issues.
  
  
  Contact Support: If the issue cannot be resolved through the above steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to the posting activity you are trying to perform.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Training: If you are new to SAP, consider undergoing training to better understand how to navigate and use the system effectively.
  
  By ensuring that all required fields are filled out and that the system is properly configured, you should be able to resolve the RERAOP028 error and proceed with your transaction.