How To Fix APPLG009 - DC: No key value was specified for the new data record; check call method

APPLG009 - Overview

• Message type: E = Error

• Message class: APPLG - Application Graphics Messages (Graphic Proxy Framework)

• Message number: 009

• Message text: DC: No key value was specified for the new data record; check call method

What causes this issue?

An attempt was made to create a new data record without a key value.

How to fix this error?

Check the call method.
The key attribute and an appropriate value must be set in the field ID.
You can take the key attribute from the documentation on the data
container being used.
For data containers defined by the application, you can find the key
attribute in the definition of the call method.

Error message extract from SAP system. Copyright SAP SE.

APPLG009 - Details

• The SAP error message APPLG009 typically indicates that a key value was not specified for a new data record during a database operation. This error often occurs in the context of data manipulation, such as when trying to insert or update records in a database table where a primary key or unique key is required.
  
  Cause:
  
  Missing Key Value: The most common cause is that the program or function module that is being executed is attempting to create or modify a record without providing a necessary key value.
  Incorrect Call Method: The method used to call the function or process may not be appropriate for the data being handled, leading to the absence of required parameters.
  Data Structure Issues: The data structure being used may not be correctly defined, or the key fields may not be properly populated before the operation is executed.
  
  Configuration Issues: There may be configuration settings in the SAP system that