How To Fix CPOC208 - Read access to variable &1 only

CPOC208 - Overview

• Message type: E = Error

• Message class: CPOC - PP-PI-PMA: Process Operator Cockpit Messages

• Message number: 208

• Message text: Read access to variable &1 only

What causes this issue?

You have attempted to change a global variable. This is not permitted.
Global variables from external PI sheets are write-protected and may
not be changed.

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?

Use variable &V1& as an export parameter only.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CPOC208 - Details

• The SAP error message CPOC208, which states "Read access to variable &1 only," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is an attempt to access a variable that is defined as read-only. This can happen in various scenarios, such as when working with queries, reports, or data models.
  
  Cause:
  
  Read-Only Variable: The variable you are trying to access is defined as read-only. This means that it can only be read and not modified.
  Incorrect Access Mode: The access mode for the variable might be set incorrectly, leading to attempts to write or modify it when only read access is allowed.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the variable.
  Context of Use: The variable might be used in a context (like a query or a report) that does not allow for modification.
  
  
  Solution:
  
  Check Variable Definition: Review the definition of the variable