How To Fix /AIF/EXT_CONTACT018 - Error while changing the external contact

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/EXT_CONTACT -

• Message number: 018

• Message text: Error while changing the external contact

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 /AIF/EXT_CONTACT018 - Error while changing the external contact ?

  The SAP error message /AIF/EXT_CONTACT018 typically indicates an issue related to the external contact management within the Application Interface Framework (AIF) in SAP. This error can occur when there are problems with the data being processed or when certain conditions are not met during the attempt to change an external contact.
  Cause
  The specific causes of this error can vary, but common reasons include:
  
  
  Data Validation Issues: The data being submitted for the external contact may not meet the required validation rules. This could include missing mandatory fields, incorrect data formats, or invalid values.
  
  
  Business Logic Constraints: There may be business rules or constraints defined in the system that prevent the modification of the external contact under certain conditions.
  
  
  Authorization Issues: The user attempting to make the change may not have the necessary authorizations to modify external contacts.
  
  
  Technical Issues: There could be underlying technical issues, such as problems with the AIF configuration, communication issues with