How To Fix TU805 - Period cons., MR and BB amount cannot be changed at the same time

SAP Error Message - Details

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 805

• Message text: Period cons., MR and BB amount cannot be changed at the same time

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TU805 - Period cons., MR and BB amount cannot be changed at the same time ?

  The SAP error message TU805 ("Period cons., MR and BB amount cannot be changed at the same time") typically occurs in the context of financial transactions, particularly when dealing with period consumption, material requirements (MR), and budget balance (BB) amounts in SAP. This error indicates that there is an attempt to change multiple financial amounts simultaneously in a way that is not allowed by the system.
  Cause:
  The error arises when:
  
  Simultaneous Changes: You are trying to change the period consumption, material requirements, and budget balance amounts at the same time. SAP restricts this to prevent inconsistencies in financial reporting and data integrity.
  Configuration Issues: There may be configuration settings in the system that enforce this restriction.
  Data Entry Errors: Users may inadvertently attempt to modify multiple fields that are interdependent.
  
  Solution:
  To resolve the TU805 error, consider the following steps:
  
  
  Single Change Approach: Modify only one of the fields (either period consumption, MR, or BB) at a time. After saving the changes, you can then proceed to modify the next field if necessary.
  
  
  Review Configuration: Check the configuration settings in the relevant SAP modules (such as Controlling (CO) or Financial Accounting (FI)) to ensure that they are set up correctly and that there are no restrictions that are causing this error.
  
  
  Data Validation: Ensure that the data being entered is valid and does not violate any business rules or constraints set within the system.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling financial transactions related to period consumption, material requirements, and budget balances.
  
  
  User Training: If this error is frequently encountered, consider providing additional training to users on how to properly enter and modify financial data in SAP.
  
  
  SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance. They may provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may be involved in the process, such as:
  
  MR8M: Cancel Invoice Document
  FB50: General Ledger Account Document Entry
  KSB1: Cost Centers: Actual Line Items
  
  
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide patches or updates that address the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the TU805 error and ensure smoother financial transaction processing in your SAP environment.