Message type: E = Error
Message class: 1S - Messages for SSF ("Secure Store & Forward")
Message number: 527
Message text: Incorrect signature or encryption
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1S527
- Incorrect signature or encryption ?The SAP error message 1S527: Incorrect signature or encryption typically indicates an issue with the digital signature or encryption of data being processed in the SAP system. This error can occur in various contexts, such as during the processing of electronic documents, secure communications, or when using certain SAP modules that require secure data handling. Causes: Mismatched Keys: The encryption or signature keys used to sign or encrypt the data do not match the expected keys on the receiving end. Corrupted Data: The data being transmitted may have been altered or corrupted during transmission, leading to signature verification failures.
Configuration Issues: Incorrect configuration of the cryptographic settings in the SAP system can lead to this error. Expired Certificates: If digital certificates used for signing or encryption have expired, this can result in signature verification failures. Software Bugs: Occasionally, bugs in the SAP software or the underlying libraries used for cryptography can lead to this error. Solutions: Check Keys
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