How To Fix U7020 - Internal reading error field string &1 in &2 &3

U7020 - Overview

• Message type: E = Error

• Message class: U7 - Japan-Specific Developments

• Message number: 020

• Message text: Internal reading error field string &1 in &2 &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message U7020 - Internal reading error field string &1 in &2 &3 ?

  The SAP error message U7020, which states "Internal reading error field string &1 in &2 &3," typically indicates that there is an issue with reading data from the database or a problem with the data structure in the specified table or field. This error can occur in various contexts, such as during data retrieval, updates, or processing.
  Causes:
  
  Data Corruption: The data in the specified field or table may be corrupted or inconsistent.
  Database Issues: There may be issues with the database itself, such as locks, inconsistencies, or corruption.
  Field Definition Changes: Changes in the field definitions (like data type changes) that are not properly reflected in the database can lead to this error.
  Authorization Issues: Lack of proper authorizations to access the specified field or table can also trigger this error.
  Program Logic Errors: Bugs in the ABAP code or program logic that lead to incorrect data handling.
  
  Solutions:
  
  Check Data Integrity: Verify the integrity of the