How To Fix MDQ_DATA_IMPORT136 - SHA1 hash generation failed

SAP Error Message - Details

• Message type: E = Error

• Message class: MDQ_DATA_IMPORT -

• Message number: 136

• Message text: SHA1 hash generation failed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDQ_DATA_IMPORT136 - SHA1 hash generation failed ?

  The SAP error message "MDQ_DATA_IMPORT136 SHA1 hash generation failed" typically occurs during the data import process in SAP Master Data Governance (MDG) or when working with data replication scenarios. This error indicates that there was a failure in generating the SHA1 hash for the data being processed, which is often used for data integrity checks.
  Causes:
  
  Data Corruption: The data being imported may be corrupted or not formatted correctly, leading to issues during hash generation.
  Invalid Input: The input data might contain invalid characters or formats that the hash generation process cannot handle.
  System Configuration Issues: There may be configuration issues in the SAP system that affect the hash generation process.
  Software Bugs: There could be bugs in the version of SAP you are using that affect the hash generation functionality.
  
  Solutions:
  
  Check Input Data: Review the data being imported for any inconsistencies, invalid characters, or formatting issues. Ensure that the data adheres to the expected structure and types.
  Reformat Data: If the data is in a file, try reformatting it or exporting it again from the source system to ensure it is clean and valid.
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide insights into what went wrong during the hash generation.
  Update SAP System: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues related to hash generation.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be known issues and recommended solutions or workarounds.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including logs and the context in which it occurred.
  
  Related Information:
  
  SHA1 Hash: SHA1 (Secure Hash Algorithm 1) is a cryptographic hash function that produces a 160-bit hash value. It is commonly used for data integrity verification.
  MDG Data Import: In SAP MDG, data import processes often involve validating and transforming data before it is loaded into the system. Hash generation is part of this validation process.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDGIMG for configuration and SLG1 for log analysis.
  
  By following these steps, you should be able to diagnose and resolve the "MDQ_DATA_IMPORT136 SHA1 hash generation failed" error in your SAP environment.