How To Fix /PM0/3FD_MESSAGES021 - Unable to read record from internal cache

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FD_MESSAGES -

• Message number: 021

• Message text: Unable to read record from internal cache

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/3FD_MESSAGES021 - Unable to read record from internal cache ?

  The SAP error message /PM0/3FD_MESSAGES021 Unable to read record from internal cache typically indicates an issue with the internal caching mechanism used by the SAP system. This error can occur in various contexts, often related to performance or data retrieval issues. Here are some potential causes, solutions, and related information:
  Causes:
  
  Cache Corruption: The internal cache may have become corrupted, leading to an inability to read records.
  Data Consistency Issues: There may be inconsistencies in the data that the cache is trying to access.
  
  Configuration Issues: Incorrect configuration settings for caching in the SAP system can lead to this error.
  System Performance: High load on the system or insufficient resources can cause cache read failures.
  Expired Cache Entries: The cache entries may have expired or been invalidated, leading to read failures.
  
  Solutions:
  
  
  Clear Cache: Try clearing the internal cache. This can often resolve issues related to cache corruption or expired entries.
  
  You can do this by using transaction codes