How To Fix RTC_COMM020 - Generated SQL string contains invalid characters

SAP Error Message - Details

• Message type: E = Error

• Message class: RTC_COMM -

• Message number: 020

• Message text: Generated SQL string contains invalid characters

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RTC_COMM020 - Generated SQL string contains invalid characters ?

  The SAP error message RTC_COMM020, which states "Generated SQL string contains invalid characters," typically occurs when there are issues with the SQL query being generated by the system. This can happen in various contexts, such as when using SAP BW (Business Warehouse), SAP HANA, or other SAP applications that involve database interactions.
  Causes:
  
  Invalid Characters: The SQL string may contain characters that are not allowed in SQL syntax, such as special characters or control characters.
  Data Type Mismatch: If the data being passed to the SQL query does not match the expected data types, it can lead to invalid SQL generation.
  Improper Formatting: The SQL string may not be properly formatted, leading to syntax errors.
  
  Configuration Issues: Incorrect settings in the SAP system or in the database connection can lead to issues in SQL generation.
  User Input: If user input is being used to generate SQL queries, it may contain invalid characters.
  
  Solutions:
  
  Check SQL Syntax: Review the