How To Fix T5304 - OWN_EXTENSION: '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 304

• Message text: OWN_EXTENSION: '&1'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message T5304 - OWN_EXTENSION: '&1' ?

  The SAP error message T5304 with the text "OWN_EXTENSION: '&1'" typically relates to issues with the configuration of the SAP system, particularly in the context of personnel administration or organizational management. This error often indicates that there is a problem with the extension of a data structure or a custom field that is not recognized or properly defined in the system.
  
  Cause:
  
  Missing Custom Field Definition: The error may occur if a custom field (extension) has been referenced in the system but has not been properly defined or activated.
  Incorrect Configuration: There may be an issue with the configuration settings in the relevant infotype or data structure.
  Data Inconsistency: The data being processed may not conform to the expected structure, leading to the error.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or modify the custom fields.
  
  
  Solution:
  
  
  Check Custom Field Definition:
  
  Go to the relevant transaction (e.g., SE11 for Data Dictionary) and