How To Fix C2171 - Read error for function selection for &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: C2 - Other messages production orders

• Message number: 171

• Message text: Read error for function selection for &1 to &2

What causes this issue?

An error occurred while a function entry was being accessed.
In some circumstances the function entry is deleted from the database
during processing by another program. If this cause is excluded then it
is possibly a program error.

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 the function entry was deleted check whether a new one must be
created.
If there is a program error inform your system administrator.

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 C2171 - Read error for function selection for &1 to &2 ?

  The SAP error message C2171, which states "Read error for function selection for &1 to &2," typically indicates that there is an issue with the function module or the selection criteria being used in a particular transaction or report. This error can occur in various contexts, such as during the execution of a program, report, or when accessing certain functionalities in SAP.
  Causes:
  
  Missing or Incomplete Data: The function module may be trying to read data that does not exist or is incomplete.
  Authorization Issues: The user may not have the necessary authorizations to access the function or data.
  Configuration Issues: There may be a configuration problem in the system that is preventing the function from being executed correctly.
  Transport Issues: If the function module was recently transported from another system, it may not have been properly activated or may be missing dependencies.
  Database Issues: There could be issues with the underlying database, such as corruption or connectivity problems.
  
  Solutions:
  
  Check Data Availability: Ensure that the data being accessed by the function module exists and is complete. You may need to verify the input parameters.
  Review Authorizations: Check the user’s authorizations to ensure they have the necessary permissions to execute the function.
  Configuration Review: Review the configuration settings related to the function module to ensure they are set up correctly.
  Transport Validation: If the function module was recently transported, check the transport logs for any errors and ensure that all dependencies are in place.
  Database Check: Perform a database consistency check and ensure that the database is functioning correctly. You may need to consult with your database administrator.
  Debugging: If you have access to the ABAP development environment, you can debug the function module to identify where the error is occurring.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to check transaction codes like SE37 (Function Builder) or SE80 (Object Navigator) to investigate the function module.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  System Logs: Check the system logs (transaction SM21) for any related error messages that could provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support or consult with a technical expert who can provide more in-depth analysis and assistance.