How To Fix SDEST042 - Cannot use function module &2 for type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SDEST - Messages for RFC Destinations

• Message number: 042

• Message text: Cannot use function module &2 for type &1

What causes this issue?

The destination &v2& is defined for connections of the type &v1&. The
function module called cannot be used for destinations of the type &v1&.
The naming convention for the type-dependent function modules of the
APIs:
<ZH>DEST_<(><<)>TYPE>_<(><<)>OPERATION></>.
Possible values for <ZH><(><<)>TYPE></>:
<ZH>RFC_ABAP</> for type '3'
<ZH>RFC_TCPIP</> for type 'T'
<ZH>LOGICAL</> for type 'L'
<ZH>HTTP_ABAP</> for type 'H'
<ZH>HTTP_EXT</> for type 'G'.
Possible values for <ZH><(><<)>OPERATION></>: <ZH>CREATE</>,<ZH>CHECK</>
, <ZH> READ </>,<ZH>UPDATE</>.
The function module <ZH>DEST_SET_PASSWORD</> is defined for the types
'3', 'L', 'H', and 'G'.
The function module <ZH>DEST_SET_PROXY_PASSWORD</> can only be used for
the types 'H', and 'G'.

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?

Use the correct function module for the destination type.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDEST042 - Cannot use function module &2 for type &1 ?

  The SAP error message SDEST042 indicates that there is an issue with using a specific function module for a particular data type. This error typically arises in the context of SAP's data transport or data transfer processes, where the system is unable to utilize a function module for the specified data type.
  Cause:
  
  Incompatible Data Type: The function module you are trying to use is not compatible with the data type specified in the error message. This could be due to a mismatch between the expected input/output parameters of the function module and the actual data type being passed.
  Missing Function Module: The function module may not be available in the system or may not be activated.
  Authorization Issues: The user executing the function may not have the necessary authorizations to access the function module.
  Configuration Issues: There may be configuration settings in the system that prevent the function module from being used with the specified data type.
  
  Solution:
  
  Check Function Module: Verify that the function module specified in the error message is available and correctly implemented in your SAP system. You can do this by using transaction SE37 to check the function module.
  Review Data Types: Ensure that the data type you are trying to use is compatible with the function module. You may need to adjust the data type or use a different function module that supports the required data type.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 or by reviewing the user's roles and authorizations.
  Consult Documentation: Review the SAP documentation or notes related to the function module and the data type to understand any specific requirements or limitations.
  Debugging: If you have access to debugging tools, you can set breakpoints in the code to trace where the error occurs and gather more information about the context in which the error is raised.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the function module or data type in question. You can search for relevant notes in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Builder), SE80 (Object Navigator), and SE11 (Data Dictionary) to investigate the function module and data types.
  Community Forums: Consider searching or posting on SAP community forums or platforms like SAP Community, Stack Overflow, or other SAP-related discussion boards for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the SDEST042 error and implement a suitable solution.