How To Fix PS156 - Parcel &1 could not be unpacked

PS156 - Overview

• Message type: E = Error

• Message class: PS - SAP Electronic Parcel Service

• Message number: 156

• Message text: Parcel &1 could not be unpacked

What causes this issue?

File '&V2&' in directory '&V3&' could not be opened for writing, as an
error occurred.

System Response

Processing was cancelled.

How to fix this error?

Check directory '&V3&'.
Possible causes of the error:
The directory does not exist
The directory is write protected

Error message extract from SAP system. Copyright SAP SE.

PS156 - Details

• The SAP error message PS156, which states "Parcel &1 could not be unpacked," typically occurs in the context of SAP's transport management system (TMS) when there is an issue with unpacking a transport request or a parcel. This can happen for various reasons, and understanding the cause is essential for resolving the issue.
  Causes:
  
  Corrupted Transport Files: The transport files may be corrupted or incomplete, preventing them from being unpacked correctly.
  Insufficient Authorizations: The user attempting to unpack the transport may not have the necessary authorizations to perform the action.
  Transport Directory Issues: Problems with the transport directory or file system, such as missing files or incorrect permissions, can lead to this error.
  Incompatible Versions: The transport request may have been created in a different version of SAP that is not compatible with the target system.
  Network Issues: If the transport files are being accessed over a network, connectivity issues may prevent successful unpacking.
  
  Solutions:
  
  Check Transport Files: