How To Fix 6X066 - Modif.val.: ACCP type in form YYYYMM (posting period)

6X066 - Overview

• Message type: E = Error

• Message class: 6X - Financial Assets Management rollover messages

• Message number: 066

• Message text: Modif.val.: ACCP type in form YYYYMM (posting period)

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 6X066 - Modif.val.: ACCP type in form YYYYMM (posting period) ?

  The SAP error message 6X066 with the description "Modif.val.: ACCP type in form YYYYMM (posting period)" typically indicates an issue related to the posting period in the context of accounting documents. This error often arises when there is a mismatch or an invalid posting period being used in a transaction.
  
  Cause:
  
  Invalid Posting Period: The posting period specified in the transaction does not exist or is not open for posting.
  Period Locking: The posting period may be closed or locked for the type of transaction you are trying to perform.
  
  Configuration Issues: There may be configuration settings in the financial accounting module that restrict posting to certain periods.
  Document Type Restrictions: Certain document types may have restrictions on which periods they can post to.
  
  
  Solution:
  
  
  Check Posting Period:
  
  Go to the transaction code OB52 (Change Posting Periods) to check if the posting period you are trying to use is open for the relevant company code and fiscal year.
  Ensure