How To Fix COM_IPC_UI021 - It was not possible to read file &1 (error number &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_IPC_UI - Message Texts from the UI Environment

• Message number: 021

• Message text: It was not possible to read file &1 (error number &2)

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 COM_IPC_UI021 - It was not possible to read file &1 (error number &2) ?

  The SAP error message COM_IPC_UI021 indicates that the system was unable to read a specified file, which is typically related to the Integrated Planning (IPC) component in SAP. The error message includes placeholders for the file name (&1) and the error number (&2), which can provide more context about the issue.
  Causes:
  
  File Not Found: The specified file may not exist in the expected directory.
  File Permissions: The user or the SAP system may not have the necessary permissions to access the file.
  File Path Issues: The path to the file may be incorrect or improperly configured in the system settings.
  File Corruption: The file may be corrupted or unreadable due to various reasons.
  Network Issues: If the file is located on a network drive, there may be connectivity issues.
  
  Solutions:
  
  Check File Existence: Verify that the file specified in the error message actually exists in the expected location.
  Verify Permissions: Ensure that the SAP user has the necessary permissions to read the file. This may involve checking file system permissions or SAP authorization settings.
  Correct File Path: Review the configuration settings in SAP to ensure that the file path is correct. This may involve checking transaction codes related to IPC configuration.
  Inspect File Integrity: If the file exists but cannot be read, check if it is corrupted. You may need to replace it with a backup or recreate it.
  Network Connectivity: If the file is on a network drive, ensure that the network connection is stable and that the drive is accessible.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SP01 (Spool Request) or SM37 (Job Monitoring) to check for any related background jobs or spool requests that might provide additional context.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide patches.
  Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that could provide more insight into the issue.
  Documentation: Refer to the official SAP documentation for Integrated Planning (IPC) for more details on file handling and configuration.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.