How To Fix /IWBEP/CM_MED039 - You are in read-only mode

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MED -

• Message number: 039

• Message text: You are in read-only mode

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MED039 - You are in read-only mode ?

  The SAP error message /IWBEP/CM_MED039 indicates that the system is in read-only mode, which means that the user is unable to perform any write operations (such as creating, updating, or deleting records) in the application. This can occur in various scenarios, particularly when working with OData services in SAP Gateway.
  Causes:
  
  System Configuration: The system may be configured to operate in read-only mode for certain transactions or during specific periods (e.g., maintenance windows).
  User Authorization: The user may not have the necessary authorizations to perform write operations. This could be due to missing roles or permissions.
  Service Configuration: The OData service might be configured to allow only read operations. This is often the case for services that are intended to provide data without allowing modifications.
  Transaction Locking: The system might be locked for updates due to ongoing transactions or batch jobs that are currently running.
  Data Model Restrictions: The underlying data model may have restrictions that prevent modifications based on certain conditions.
  
  Solutions:
  
  Check System Configuration: Verify if the system is intentionally set to read-only mode. If this is the case, consult with your system administrator to understand the reason and duration of this mode.
  Review User Authorizations: Ensure that the user has the appropriate roles and authorizations to perform write operations. This can be checked in transaction SU01 or PFCG.
  Examine OData Service Configuration: Check the service definition in the SAP Gateway to see if it is set to allow write operations. You can do this using transaction /IWFND/MAINT_SERVICE.
  Check for Locks: Investigate if there are any locks on the database or if there are ongoing transactions that might be preventing updates. You can use transaction SM12 to check for locks.
  Consult Documentation: Review the documentation for the specific OData service you are using to understand its capabilities and limitations regarding read and write operations.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE37 (Function Module), and SE11 (Data Dictionary) for further investigation.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after checking the above points, it may be necessary to involve your SAP Basis or development team for further investigation.