How To Fix DMC_GENERAL144 - Block size of portion &1 exceeds &2 bytes

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 144

• Message text: Block size of portion &1 exceeds &2 bytes

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 DMC_GENERAL144 - Block size of portion &1 exceeds &2 bytes ?

  The SAP error message DMC_GENERAL144 indicates that the block size of a portion exceeds the allowed limit. This error typically occurs in the context of data management and data transfer processes, particularly when using SAP Data Management or SAP Data Intelligence.
  Cause:
  The error is caused by attempting to process a data block that exceeds the maximum allowed size. This can happen due to:
  
  Large Data Volume: The data being processed in a single transaction or operation is too large.
  Configuration Limits: The system may have configuration settings that limit the size of data blocks for performance or memory management reasons.
  Data Format Issues: The data being transferred may not be properly formatted, leading to larger-than-expected block sizes.
  
  Solution:
  To resolve the DMC_GENERAL144 error, consider the following steps:
  
  
  Reduce Data Volume: Split the data into smaller chunks or batches. Instead of processing a large dataset in one go, break it down into smaller portions that comply with the block size limit.
  
  
  Check Configuration Settings: Review the configuration settings related to data processing in your SAP system. Look for parameters that define maximum block sizes and adjust them if necessary, keeping in mind the implications on performance.
  
  
  Data Format Validation: Ensure that the data being processed is correctly formatted and does not contain unexpected large entries. Validate the data before processing to avoid issues.
  
  
  Monitor System Resources: Check the system resources (memory, CPU) to ensure that they are not being overwhelmed by large data operations. Optimize resource allocation if needed.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to the specific module or tool you are using (e.g., SAP Data Intelligence, SAP BW) for any additional guidance on handling large data volumes.
  
  
  Error Logs: Review error logs for more detailed information about the context in which the error occurred. This can provide insights into specific data or operations that triggered the error.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Performance Tuning: Consider performance tuning strategies for your SAP environment to better handle large data operations.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.