How To Fix IDCN020 - ALV list cannot be displayed

IDCN020 - Overview

• Message type: E = Error

• Message class: IDCN -

• Message number: 020

• Message text: ALV list cannot be displayed

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 IDCN020 - ALV list cannot be displayed ?

  The SAP error message IDCN020, which states "ALV list cannot be displayed," typically occurs when there is an issue with the display of an ALV (ABAP List Viewer) report. This can happen for various reasons, and understanding the cause is essential for finding a solution. Here are some common causes and their respective solutions:
  Causes:
  
  Missing or Incorrect Data: The underlying data for the ALV report may be missing or not correctly fetched, leading to an inability to display the list.
  Authorization Issues: The user may not have the necessary authorizations to view the data or execute the report.
  Technical Issues: There may be technical issues with the SAP GUI or the ALV function module itself.
  Memory Issues: Insufficient memory allocation for the ALV report can lead to display issues.
  Incorrect Configuration: The ALV report may not be correctly configured in the system.
  
  Solutions:
  
  Check Data Availability: Ensure that the data source for the ALV report is populated