How To Fix DB745 - Signs are not allowed here

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 745

• Message text: Signs are not allowed here

What causes this issue?

You entered a sign (-), but this is not allowed here.

System Response

Unable to continue processing.

How to fix this error?

Correct your input.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB745 - Signs are not allowed here ?

  The SAP error message DB745 "Signs are not allowed here" typically occurs in the context of database operations, particularly when dealing with database views or when executing certain SQL statements. This error indicates that there is an issue with the syntax of the SQL statement or the way the data is being handled, particularly with respect to the use of signs (positive or negative) in the context where they are not permitted.
  Causes:
  
  Incorrect SQL Syntax: The SQL statement may contain signs (like '+' or '-') in a context where they are not allowed, such as in a field that expects a numeric value without a sign.
  Data Type Mismatch: The data types being used in the SQL statement may not be compatible, leading to the system interpreting the signs incorrectly.
  View Definition Issues: If the error occurs while accessing a database view, it may be due to the way the view is defined, particularly if it involves calculations or aggregations that improperly handle signs.
  
  Solutions:
  
  Check SQL Syntax: Review the SQL statement for any signs that may be incorrectly placed. Ensure that any arithmetic operations are correctly formatted and that signs are only used where appropriate.
  Data Type Validation: Ensure that the data types of the fields being used in the SQL statement are compatible. If necessary, cast or convert data types to avoid mismatches.
  Review View Definitions: If the error is related to a database view, check the definition of the view for any calculations or fields that may be improperly defined. Adjust the view to ensure that it adheres to the expected syntax and data types.
  Debugging: If you have access to debugging tools, use them to trace the execution of the SQL statement and identify the exact point of failure.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Refer to the SAP documentation for SQL syntax and database operations to ensure compliance with the expected standards.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team or consulting with a database administrator who can provide more in-depth assistance.