How To Fix TT138 - No input values can be displayed for function &

TT138 - Overview

• Message type: E = Error

• Message class: TT - Extended Computer Aided Test Tool (eCATT) messages

• Message number: 138

• Message text: No input values can be displayed for function &

What causes this issue?

The input values cannot be determined using the ABAP/4 Repository
Information System.

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?

If necessary, add the input values you require. If you need help
finding the values you require, specify the function and press ENTER.
For further information, use the F1 help function for the fields in
question and refer to the user's guide.

Error message extract from SAP system. Copyright SAP SE.

TT138 - Details

• The SAP error message TT138 "No input values can be displayed for function &" typically occurs when there is an issue with the input values for a specific function module or transaction in SAP. This error can arise in various contexts, such as when trying to execute a report, transaction, or function that requires certain input parameters.
  Causes:
  
  Missing Input Values: The function or transaction you are trying to execute may require specific input values that have not been provided.
  Authorization Issues: The user may not have the necessary authorizations to view or input values for the function.
  
  Configuration Issues: There may be a configuration problem in the system that prevents the function from retrieving or displaying the necessary input values.
  Data Issues: The underlying data may not exist or may be incomplete, leading to the inability to display input values.
  Function Module Issues: The function module itself may not be properly defined or may have