How To Fix IUUC_CLOG_CORE120 - Size of Read Portion

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_CLOG_CORE - SLT Change Log Messages

• Message number: 120

• Message text: Size of Read Portion

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 IUUC_CLOG_CORE120 - Size of Read Portion ?

  The SAP error message IUUC_CLOG_CORE120, which indicates "Size of Read Portion," typically occurs in the context of SAP Landscape Transformation (SLT) replication. This error is related to the size of the data being processed during the replication process, particularly when reading data from the source system.
  
  Cause:
  
  Data Volume: The error often arises when the volume of data being read exceeds the configured limits for the read portion size. This can happen if there are large tables or if a significant amount of data is being replicated at once.
  Configuration Settings: The settings for the read portion size in the SLT configuration may not be optimized for the current data load.
  Performance Issues: If the source system is under heavy load or if there are performance issues, it may not be able to handle the data read requests efficiently.
  
  
  Solution:
  
  
  Adjust Read Portion Size:
  
  You can adjust the read portion size in the SLT configuration. This is