How To Fix SIPT023 - Invalid character in leading document type '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SIPT - SIPT: Digital Signature Portugal

• Message number: 023

• Message text: Invalid character in leading document type '&1'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SIPT023 - Invalid character in leading document type '&1' ?

  The SAP error message SIPT023, which states "Invalid character in leading document type '&1'," typically occurs when there is an issue with the document type being used in a transaction or process. This error indicates that the document type specified contains invalid characters that are not allowed by the system.
  Cause:
  
  Invalid Characters: The document type may contain special characters, spaces, or other invalid characters that are not permitted in SAP.
  Configuration Issues: The document type may not be properly configured in the system, or it may not exist in the relevant configuration settings.
  Data Entry Errors: Users may have entered the document type incorrectly, leading to the inclusion of invalid characters.
  
  Solution:
  
  Check Document Type: Verify the document type being used in the transaction. Ensure that it only contains valid alphanumeric characters (typically uppercase letters and numbers).
  Configuration Review: Go to the configuration settings in SAP (transaction code SPRO) and check the settings for the document type in question. Ensure that it is defined correctly and does not contain any invalid characters.
  Correct Data Entry: If the document type was entered manually, correct any typos or errors in the input. Make sure to use the correct document type as defined in the system.
  Consult Documentation: Refer to SAP documentation or help resources for the specific module you are working with to understand the valid formats for document types.
  Testing: After making corrections, test the transaction again to ensure that the error does not reoccur.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO (for configuration) or SE11 (for data dictionary) to check the definitions and settings related to document types.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions for specific scenarios.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to access and modify document types if needed.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation.