How To Fix SPXN201 - Signature is incompatible

SPXN201 - Overview

• Message type: E = Error

• Message class: SPXN - Proxy Generation

• Message number: 201

• Message text: Signature is incompatible

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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SPXN201 - Details

• The SAP error message SPXN201, which states "Signature is incompatible," typically occurs in the context of digital signatures or when dealing with secure communications in SAP systems. This error can arise due to various reasons, including issues with the digital certificate, mismatched cryptographic algorithms, or problems with the configuration of the secure communication settings.
  Causes:
  
  Incompatible Cryptographic Algorithms: The signature may be created using a cryptographic algorithm that is not supported or recognized by the receiving system.
  Certificate Issues: The digital certificate used for signing may be expired, revoked, or not properly installed in the SAP system.
  Configuration Problems: There may be misconfigurations in the settings related to secure communications (e.g., SSL/TLS settings).
  Version Mismatch: The version of the software or libraries used for signing may not be compatible with the version expected by the SAP system.
  Key Length Issues: The key length used for the signature may not meet the security requirements of the SAP