How To Fix DB651 - Specify a type: S=SELECT-OPTION, P=PARAMETER

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 651

• Message text: Specify a type: S=SELECT-OPTION, P=PARAMETER

What causes this issue?

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

System Response

How to fix this error?

If you want to edit or display a variable, you must specify its name
and type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB651 - Specify a type: S=SELECT-OPTION, P=PARAMETER ?

  The SAP error message DB651 ("Specify a type: S=SELECT-OPTION, P=PARAMETER") typically occurs when there is an issue with the way a selection screen is defined in an ABAP program. This error indicates that the system expects you to specify whether the input is a SELECT-OPTION or a PARAMETER, but it has not been provided correctly.
  Cause:
  
  Incorrect Definition: The selection screen might be incorrectly defined, where the program expects either a SELECT-OPTION or a PARAMETER but does not receive the expected input.
  Missing or Incorrect Syntax: There may be a syntax error in the code where the selection screen elements are defined.
  Dynamic Selection Screen: If the selection screen is being generated dynamically, there might be a logic error in how the parameters are being set up.
  
  Solution:
  
  Check the Selection Screen Definition: Review the code where the selection screen is defined. Ensure that you have correctly specified either SELECT-OPTIONS or PARAMETERS. For example:
  SELECT-OPTIONS: s_field FOR fieldname.
  PARAMETERS: p_field TYPE fieldtype.
  
  Correct Syntax: Ensure that the syntax is correct and that you are not mixing SELECT-OPTIONS and PARAMETERS incorrectly.
  Dynamic Generation: If you are generating the selection screen dynamically, ensure that the logic correctly specifies the type of input expected.
  Debugging: Use the debugger to trace the execution of the program and see where the error is being triggered. This can help identify if the input is being passed correctly.
  Check for Modifications: If the program has been modified, check if any changes have inadvertently affected the selection screen definitions.
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for more details on defining selection screens.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Look for discussions in SAP community forums or platforms like SAP Community, Stack Overflow, or other ABAP-related forums for similar issues and solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the DB651 error in your SAP program.