How To Fix E0621 - Package & is not known

E0621 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 621

• Message text: Package & is not known

What causes this issue?

Development class &v1& could not be found.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter a development class which exists.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0621 - Package & is not known ?

  The SAP error message E0621, which states "Package & is not known," typically occurs when the system cannot recognize or find the specified package in the SAP environment. This can happen for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Non-existent Package: The package you are trying to access or reference does not exist in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the package.
  Transport Directory Issues: The package may not have been properly transported to the system.
  Incorrect Package Name: There may be a typo or incorrect naming in the package name being referenced.
  Development Class Issues: The package might not be assigned to a development class or might be incorrectly configured.
  
  Solutions:
  
  
  Verify Package Existence:
  
  Check if the package exists in the system by using transaction code SE80 (Object Navigator) or SE11 (Data Dictionary).
  Ensure that the package name is spelled correctly.
  
  
  
  Check Authorizations:
  
  Ensure that the user