How To Fix SIG404 - Maintain the signature method for the signature object first

SIG404 - Overview

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 404

• Message text: Maintain the signature method for the signature object first

What causes this issue?

For you to be able to execute a digital signature, the
<DS:GLOS.C911D84002D7D311AB320060B03C3B0B>signature method</> must have
been set up in Customizing of the relevant signature object. This
setting is missing in your system.
INCLUDE NA_FU_NO OBJECT DOKU ID TX LANGUAGE EN

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?

INCLUDE NA_SYSVERW OBJECT DOKU ID TX LANGUAGE EN

Procedure for System Administrators

Go to Customizing of the relevant signature object and carry out
activity <LS>Specify Signature Method for Approval Using Simple
Signature</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIG404 - Maintain the signature method for the signature object first ?

  The SAP error message SIG404, which states "Maintain the signature method for the signature object first," typically occurs in the context of digital signatures in SAP systems. This error indicates that the system is unable to process a digital signature because the required signature method has not been defined for the specified signature object.
  
  Cause:
  
  Missing Signature Method: The primary cause of this error is that the signature method for the signature object has not been configured in the system.
  Incorrect Configuration: There may be an incorrect or incomplete configuration of the signature object or its associated methods.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or maintain the signature methods.
  
  
  Solution:
  To resolve the SIG404 error, follow these steps:
  
  
  Maintain Signature Method:
  
  Go to the transaction code SICF (for maintaining Internet Communication Framework) or SICF (for maintaining signature methods).
  Navigate to the relevant signature object and ensure that a signature method is defined.
  If