How To Fix SA504 - Start of block not indicated or located after end of block

SA504 - Overview

• Message type: E = Error

• Message class: SA -

• Message number: 504

• Message text: Start of block not indicated or located after end of block

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?

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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 SA504 - Start of block not indicated or located after end of block ?

  The SAP error message SA504, which states "Start of block not indicated or located after end of block," typically occurs in the context of data processing or file handling within SAP systems. This error indicates that there is a mismatch in the expected structure of data blocks, which can happen during various operations such as data uploads, file imports, or when processing certain types of documents.
  Causes:
  
  Corrupted Data Files: The data file being processed may be corrupted or improperly formatted, leading to inconsistencies in block definitions.
  Incorrect Data Structure: The data being uploaded or processed may not conform to the expected structure, such as missing headers or delimiters.
  Programmatic Errors: Custom programs or scripts that handle data may have logical errors that lead to incorrect block handling.
  Version Mismatch: If the data file is generated by a different version of the software or system, it may not be compatible with the current version.
  Buffer Overflow: