How To Fix MQ001 - SY-DBCNT = &1 <> Counter Internal table = &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 001

• Message text: SY-DBCNT = &1 <> Counter Internal table = &2

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 MQ001 - SY-DBCNT = &1 <> Counter Internal table = &2 ?

  The SAP error message "MQ001 SY-DBCNT = &1 <> Counter Internal table = &2" typically indicates a mismatch between the expected number of records processed and the actual number of records in the internal table during a database operation. This can occur in various scenarios, such as when using database updates, inserts, or deletes.
  Cause:
  
  
  Data Consistency Issues: The number of records that the program expects to process does not match the number of records actually processed. This can happen if:
  
  The internal table was modified (e.g., records were deleted or added) after the count was taken.
  There are issues with the database transaction, such as locks or deadlocks.
  The program logic has flaws that lead to incorrect counting.
  
  
  
  Concurrency Issues: If multiple users or processes are trying to modify the same data simultaneously, it can lead to discrepancies in the expected and actual counts.
  
  
  Error Handling: If there are errors during the database operation (e.g., due to constraints or data integrity issues), the count may not reflect the actual state of the database.
  
  
  Solution:
  
  
  Check Program Logic: Review the code to ensure that the internal table is not being modified after the count is taken. Ensure that the logic for counting records is correct.
  
  
  Database Transaction Handling: Ensure that the database operations are properly handled within a transaction. Use appropriate commit and rollback statements to maintain data integrity.
  
  
  Error Handling: Implement proper error handling to catch and log any issues that occur during database operations. This can help identify the root cause of the mismatch.
  
  
  Concurrency Control: If applicable, implement locking mechanisms to prevent concurrent modifications that could lead to count mismatches.
  
  
  Debugging: Use debugging tools to step through the code and monitor the values of SY-DBCNT and the internal table count at various points in the program to identify where the mismatch occurs.
  
  
  Related Information:
  
  SY-DBCNT: This is a system field in SAP that holds the number of records affected by the last database operation.
  Internal Tables: In ABAP, internal tables are used to store data temporarily during program execution. Ensure that the operations on these tables are performed correctly.
  Database Locks: Understand how database locks work in SAP to avoid issues related to concurrent access.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be specific fixes or recommendations provided by SAP.
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.