How To Fix AD210 - You may not define more than two key fields

AD210 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 210

• Message text: You may not define more than two key fields

What causes this issue?

You changed the system proposal for the fields of a physical pool, but
a physical pool has a fixed structure.
A pool must have exactly two key fields with the names TABNAME (for the
name of the logical pooled table) and VARKEY (the key fields of the
logical pooled table are stored as a string here).

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?

Set the definition of the physical pool back to the proposed structure.
You have to delete the key field which you inserted.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD210 - You may not define more than two key fields ?

  The SAP error message AD210, which states "You may not define more than two key fields," typically occurs when you are trying to define a data structure or a database table with more than two key fields in a context where only two are allowed. This restriction is often seen in certain SAP applications or configurations, particularly in the context of data modeling or when defining certain types of database tables.
  
  Cause:
  
  Exceeding Key Field Limit: The primary cause of this error is that you are attempting to define a table or structure with more than two key fields. In some SAP contexts, such as certain types of database tables or data models, there is a limitation on the number of key fields that can be defined.
  Incorrect Configuration: The error may also arise from incorrect configuration settings or misunderstandings about the requirements for the specific data structure you are working with.
  
  
  Solution:
  
  Review Key