How To Fix APS_CKE_PARSER037 - Alias &1 is invalid as it contains unsupported characters or a keyword.

SAP Error Message - Details

• Message type: E = Error

• Message class: APS_CKE_PARSER - CDS Key user tool - AST handler messages

• Message number: 037

• Message text: Alias &1 is invalid as it contains unsupported characters or a keyword.

What causes this issue?

The alias does not fit the following naming rules:
It can have a maximum of 30 characters.
It can consist of letters, numbers, underscores (_), and slashes (/).
It must start with a letter, slash character, or underscore.
The following keywords may not be used: ALL, AND, AS, ASSOCIATION, AVG,
CASE, CAST, CROSS, COUNT, DISTINCT, EXISTS, EXTEND, FROM, FULL, GROUP,
HAVING, INNER, JOIN, KEY, LEFT, MAX, MIN, NOT, NULL, ON, OR, ORDER,
RIGHT, SELECT, SUM, UNION, VIEW, WHEN, WHERE

System Response

An error message is displayed.

How to fix this error?

Choose a different alias.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APS_CKE_PARSER037 - Alias &1 is invalid as it contains unsupported characters or a keyword. ?

  The SAP error message APS_CKE_PARSER037 indicates that an alias you are trying to use is invalid because it contains unsupported characters or is a reserved keyword. This error typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when defining or using aliases in queries, data models, or other objects.
  Cause:
  
  
  Unsupported Characters: The alias may contain special characters, spaces, or punctuation that are not allowed. Common unsupported characters include:
  
  Spaces
  Special symbols (e.g., @, #, $, %, &, etc.)
  Punctuation marks (e.g., ., ,, ;, etc.)
  
  
  
  Reserved Keywords: The alias may be using a keyword that is reserved by the SAP system. Reserved keywords are terms that have a specific meaning in the context of the database or programming language and cannot be used as identifiers.
  
  
  Solution:
  
  
  Check for Unsupported Characters:
  
  Review the alias you are trying to use and ensure it only contains valid characters. Typically, valid characters include:
  
  Letters (A-Z, a-z)
  Numbers (0-9)
  Underscores (_)
  
  
  Avoid using spaces and special characters.
  
  
  
  Avoid Reserved Keywords:
  
  Check if the alias you are using is a reserved keyword in SAP. You can find a list of reserved keywords in the SAP documentation or by searching online.
  If your alias is a reserved keyword, rename it to something unique that does not conflict with reserved terms.
  
  
  
  Testing:
  
  After making the necessary changes to the alias, test it again in the context where the error occurred to ensure that the issue is resolved.
  
  
  
  Related Information:
  
  Documentation: Refer to the SAP Help Portal or specific SAP BW/HANA documentation for guidelines on naming conventions and reserved keywords.
  SAP Community: You can search for similar issues in the SAP Community forums, where other users may have encountered and resolved the same error.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  
  By following these steps, you should be able to resolve the APS_CKE_PARSER037 error and successfully use the desired alias in your SAP environment.