How To Fix /ISIDEX/EDEREG_INV029 - Missing allocation of internal ID to external ID

/ISIDEX/EDEREG_INV029 - Overview

• Message type: E = Error

• Message class: /ISIDEX/EDEREG_INV -

• Message number: 029

• Message text: Missing allocation of internal ID to external ID

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 /ISIDEX/EDEREG_INV029 - Missing allocation of internal ID to external ID ?

  The SAP error message /ISIDEX/EDEREG_INV029 Missing allocation of internal ID to external ID typically occurs in the context of the SAP IS-IS (Industry Solution for Utilities) module, particularly when dealing with the integration of internal and external identifiers for business objects, such as customers, contracts, or other entities.
  
  Cause:
  This error indicates that there is a missing mapping or allocation between an internal ID (used within the SAP system) and an external ID (used in external systems or interfaces). This can happen due to several reasons, including:
  
  Data Migration Issues: During data migration from legacy systems to SAP, the mapping between internal and external IDs may not have been established correctly.
  Configuration Errors: The configuration settings for the ID mapping may not be set up properly in the system.
  Missing Master Data: The required master data that links the internal and external IDs may be missing or incomplete.
  Integration Issues: If there are integrations with external