How To Fix /IWBEP/CM_MGW_RT004 - Metadata cache on hub system outdated; execute OData request again

/IWBEP/CM_MGW_RT004 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 004

• Message text: Metadata cache on hub system outdated; execute OData request again

Self-Explanatory Message

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/IWBEP/CM_MGW_RT004 - Details

• The SAP error message /IWBEP/CM_MGW_RT004 indicates that the metadata cache on the hub system is outdated. This typically occurs in scenarios where the OData service has been modified or updated, but the changes have not been reflected in the cache of the hub system. Here’s a breakdown of the cause, solution, and related information for this error:
  
  Cause:
  
  Metadata Changes: The OData service's metadata has been changed (e.g., new fields added, existing fields modified, or services updated).
  Cache Expiration: The cache may not have been refreshed after the changes were made, leading to inconsistencies between the service definition and the cached metadata.
  System Configuration: There may be issues with the configuration of the OData service or the hub system that prevent the cache from being updated correctly.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Refresh Metadata Cache:
  
  In the SAP Gateway system (the hub), you can refresh the metadata cache by executing the following transaction:
  Go