How To Fix SIG251 - Messages on user entry

SAP Error Message - Details

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 251

• Message text: Messages on user entry

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIG251 - Messages on user entry ?

  The SAP error message SIG251 ("Messages on user entry") typically occurs when there are issues related to user input in a transaction or during data entry in the SAP system. This error can arise from various causes, and the solutions may vary depending on the specific context in which the error occurs. Here are some common causes and potential solutions:
  Causes:
  
  Input Validation Errors: The user may have entered data that does not meet the required format or validation rules set in the system.
  Missing Required Fields: Certain mandatory fields may not have been filled out, leading to the error.
  Authorization Issues: The user may not have the necessary permissions to perform the action they are attempting.
  Data Consistency Issues: There may be inconsistencies in the data being entered, such as references to non-existent records.
  Custom Code or Enhancements: If there are custom developments or enhancements in the system, they may be causing unexpected behavior.
  
  Solutions:
  
  Check Input Data: Review the data entered by the user to ensure it meets all required formats and validation rules. Correct any discrepancies.
  Fill Mandatory Fields: Ensure that all required fields are filled out before submitting the form or transaction.
  Review Authorizations: Check the user's authorization profile to ensure they have the necessary permissions for the transaction or action they are trying to perform.
  Data Consistency Check: Verify that all referenced data (e.g., customer numbers, material numbers) exists and is valid.
  Consult with Technical Team: If the issue persists, it may be necessary to involve the technical team to check for any custom code or enhancements that could be causing the error.
  SAP Notes and Documentation: Look for relevant SAP Notes or documentation that may address this specific error message. SAP frequently updates its knowledge base with solutions for common issues.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to check specific transaction codes related to the error.
  SAP Support: If the issue cannot be resolved internally, consider reaching out to SAP Support for assistance.
  User Training: Providing training to users on data entry best practices can help reduce the occurrence of such errors in the future.
  
  If you have specific details about the context in which the SIG251 error occurs, I can provide more tailored advice.