How To Fix MD5010 - Internal error when calculating HMAC

MD5010 - Overview

• Message type: E = Error

• Message class: MD5 - Calculate Hash and HMAC Values

• Message number: 010

• Message text: Internal error when calculating HMAC

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 MD5010 - Internal error when calculating HMAC ?

  The SAP error message MD5010, which indicates an "Internal error when calculating HMAC," typically arises in the context of SAP systems that utilize HMAC (Hash-based Message Authentication Code) for securing communications or data integrity. This error can occur due to various reasons, including configuration issues, data inconsistencies, or problems with the underlying cryptographic libraries.
  Causes of MD5010 Error
  
  
  
  Configuration Issues: Incorrect settings in the SAP system related to security or communication protocols can lead to HMAC calculation failures.
  
  
  Data Inconsistencies: If the data being processed is corrupted or not in the expected format, it can cause the HMAC calculation to fail.
  
  
  Cryptographic Library Issues: Problems with the underlying cryptographic libraries or their configurations can lead to errors in HMAC calculations.
  
  
  System Bugs: There may be bugs in the SAP version you are using that affect HMAC calculations.
  
  
  Missing or Incorrect Keys: If the keys used for HMAC are missing, incorrect, or not properly configured, it can