How To Fix /SAPAPO/ATP028 - Unidentified error during data reading in logical system &1

/SAPAPO/ATP028 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 028

• Message text: Unidentified error during data reading in logical system &1

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 /SAPAPO/ATP028 - Unidentified error during data reading in logical system &1 ?

  The SAP error message /SAPAPO/ATP028 indicates that there is an unidentified error occurring during data reading in a logical system. This error is typically related to the Advanced Planning and Optimization (APO) module in SAP, particularly in the context of Available-to-Promise (ATP) checks.
  Possible Causes:
  
  Data Inconsistency: There may be inconsistencies in the master data or transaction data that the system is trying to read.
  
  Configuration Issues: Incorrect configuration settings in the APO system or in the logical system settings can lead to this error.
  Network Issues: Problems with the network connection between the systems can cause data reading failures.
  Authorization Issues: The user or system may not have the necessary authorizations to access the required data.
  System Performance: High load on the system or performance issues can lead to timeouts or failures in data retrieval.
  Transport Issues: If the data was recently transported from another system, there may be issues with the transport itself.
  
  Solutions:
  
  Check Data Consistency: