How To Fix C1099 - Reference to table & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 099

• Message text: Reference to table & already exists

What causes this issue?

You want to link the <DS:GLOS.characteristic>characteristic</> to field
&v2& in table &v1&. However, the characteristic is already linked to
this table.

System Response

The system checks to ensure that there is only one link to each table.

How to fix this error?

Change your links such that there is no more than one link to each
table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1099 - Reference to table & already exists ?

  The SAP error message C1099, which states "Reference to table & already exists," typically occurs when there is an attempt to create a new table or reference a table that has already been defined in the Data Dictionary (DDIC) of SAP. This can happen during the development of database objects, such as when creating a new table or modifying an existing one.
  Cause:
  
  Duplicate Table Definition: The most common cause is that the table you are trying to create or reference already exists in the system.
  Transport Issues: If you are working in a transport environment, it is possible that the table was already transported to the target system.
  Namespace Conflicts: If you are using a custom namespace, there might be a conflict with standard SAP tables or other custom tables.
  Development Environment: If multiple developers are working on the same object, one might have already created the table while another is trying to create it again.
  
  Solution:
  
  Check Existing Tables: Use transaction SE11 (Data Dictionary) to check if the table already exists. If it does, you may need to modify the existing table instead of creating a new one.
  Use Different Names: If you are trying to create a new table, consider using a different name that does not conflict with existing tables.
  Review Transport Requests: If you suspect that the table was already transported, check the transport requests to see if the table is included.
  Namespace Management: Ensure that you are using the correct namespace for your custom objects to avoid conflicts with standard SAP objects.
  Consult with Team Members: If you are in a team environment, communicate with your colleagues to ensure that no one else is working on the same object.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SE80: Object Navigator
  SE37: Function Builder (if the error is related to function modules)
  
  
  
  Documentation: Refer to SAP Help documentation for more details on Data Dictionary objects and naming conventions.
  
  
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  
  
  By following these steps, you should be able to resolve the C1099 error and continue with your development work in SAP.