How To Fix PO842 - Alias name must not be longer than &1 character

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 842

• Message text: Alias name must not be longer than &1 character

What causes this issue?

You want to enter a physical host name for a symbolic host name. The
symbolic host name is longer than 8 characters.

System Response

Mapping between symbolic and physical host names is defined in table
THOST. In this table the field for the symbolic host name is defined
with a length of 8 characters.

How to fix this error?

In field "Destination Host" enter a name that is not longer than 8
characters.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PO842 - Alias name must not be longer than &1 character ?

  The SAP error message PO842 indicates that an alias name you are trying to use exceeds the maximum allowed length. The message specifies that the alias name must not be longer than a certain number of characters (denoted by &1 in the error message).
  Cause:
  The error typically occurs when:
  
  You are trying to create or modify an alias in a database or a data structure, and the name you provided exceeds the character limit set by SAP.
  The alias name might be used in various contexts, such as database tables, views, or other objects, and each context has its own restrictions on name length.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Alias Name Length: Review the alias name you are trying to use and ensure it does not exceed the maximum length specified in the error message.
  
  
  Rename the Alias: If the alias name is too long, consider shortening it. Use a more concise name that still conveys the necessary meaning but fits within the character limit.
  
  
  Review Naming Conventions: Ensure that you are following any naming conventions or guidelines set by your organization or SAP. This can help avoid similar issues in the future.
  
  
  Test Changes: After renaming the alias, test the changes to ensure that the error is resolved and that the alias functions as expected.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for specific details on naming conventions and limitations for the version of SAP you are using.
  SAP Community: You can also check the SAP Community forums for discussions related to this error, as other users may have encountered and resolved similar issues.
  Transaction Codes: If you are working with specific transaction codes (like SE11 for Data Dictionary), ensure you are familiar with the limitations of those transactions.
  
  By following these steps, you should be able to resolve the PO842 error and successfully create or modify the alias as needed.