How To Fix C0644 - Signature missing: Data for the processing step cannot be reported

SAP Error Message - Details

• Message type: E = Error

• Message class: C0 - PP-PI: Messages for PI Sheet and Syntax Checker

• Message number: 644

• Message text: Signature missing: Data for the processing step cannot be reported

What causes this issue?

With the selected process instruction, you can sign a processing step
and thus report the corresponding data.
However, you have not entered a signature. For this reason, the
the data for the processing step is not reported.

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 you want to report the data for the processing step, enter your
signature.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C0644 - Signature missing: Data for the processing step cannot be reported ?

  The SAP error message C0644, which states "Signature missing: Data for the processing step cannot be reported," typically occurs in the context of the SAP system when there is an issue with the data signature required for reporting a processing step in a business process, such as in production or logistics.
  Cause:
  
  
  Missing Signature: The error indicates that the required signature for the data being processed is missing. This could be due to:
  
  Incomplete configuration of the process.
  Missing or incorrect entries in the relevant tables.
  Issues with the data being sent to the reporting function.
  
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or report the data.
  
  
  Data Integrity Issues: If the data being processed is corrupted or not in the expected format, it can lead to this error.
  
  
  System Configuration: Incorrect settings in the configuration of the relevant modules (like Production Planning, Quality Management, etc.) can also lead to this error.
  
  
  Solution:
  
  
  Check Configuration: Review the configuration settings for the relevant module (e.g., Production Planning, Quality Management) to ensure that all necessary parameters are set correctly.
  
  
  Verify Data Entries: Ensure that all required data entries are present and correct. This includes checking for any missing signatures or related data in the relevant tables.
  
  
  User Authorizations: Verify that the user has the necessary authorizations to perform the action that is generating the error. If not, appropriate roles and permissions should be assigned.
  
  
  Data Consistency: Check for data consistency and integrity. If there are any discrepancies, they should be resolved.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific module you are working with for any known issues or additional troubleshooting steps.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP support for further assistance. They may provide patches or additional insights based on the specific version of SAP you are using.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to check configurations or data (e.g., SE11 for data dictionary, SPRO for configuration).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the root cause of the C0644 error and implement a solution to resolve it.