How To Fix DB720 - & is not a valid sign

SAP Error Message - Details

• Message type: E = Error

• Message class: DB - Messages for logical databases and background processing

• Message number: 720

• Message text: & is not a valid sign

What causes this issue?

You attempted to start a report using index selection (index type other
than blank) without specifying an index ID.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Specify an ID for the index type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB720 - & is not a valid sign ?

  The SAP error message DB720 typically indicates an issue related to database operations, particularly when the system encounters an invalid sign or character in a database operation. This error can arise in various contexts, such as during data entry, report generation, or when executing database-related transactions.
  Cause:
  
  Invalid Characters: The error may occur if there are invalid characters or signs in the data being processed. This could be due to incorrect data entry or data corruption.
  Data Type Mismatch: If the data type of a field does not match the expected type (e.g., trying to insert a string into a numeric field), it can trigger this error.
  Database Constraints: The error may also arise from violations of database constraints, such as unique constraints or foreign key constraints.
  Configuration Issues: Incorrect configuration settings in the database or SAP system can lead to this error.
  
  Solution:
  
  Check Data Input: Review the data being entered or processed to ensure that it does not contain any invalid characters or signs. Ensure that all fields are populated with the correct data types.
  Data Validation: Implement data validation checks to prevent invalid data from being entered into the system.
  Review Database Constraints: Check the database schema for any constraints that may be violated by the data being processed. Ensure that all data adheres to these constraints.
  Debugging: If the error persists, consider enabling debugging to trace the exact point of failure. This can help identify the specific data or operation causing the issue.
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance related to the DB720 error in your version of SAP.
  Contact SAP Support: If the issue cannot be resolved internally, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the DB720 error. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in diagnosing or resolving database issues (e.g., SE11 for Data Dictionary, SE37 for Function Modules).
  System Logs: Review system logs (transaction SM21) for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the DB720 error in your SAP system.