How To Fix VHU01090 - Missing external ID; internal ID already available as external ID

SAP Error Message - Details

• Message type: E = Error

• Message class: VHU01 - Message ID for Master Data Maintenance Packing Objects

• Message number: 090

• Message text: Missing external ID; internal ID already available as external ID

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VHU01090 - Missing external ID; internal ID already available as external ID ?

  The SAP error message:
  VHU01090: Missing external ID; internal ID already available as external ID
  
  Cause:
  This error typically occurs in SAP Vehicle Management (VHU) or related modules when there is an inconsistency or conflict in the identification numbers (IDs) used for vehicle or object master data.
  
  The system expects an external ID (usually a vehicle identification number or a customer-specific identifier) to be present.
  However, the external ID is missing in the data being processed.
  At the same time, the internal ID (SAP-generated unique identifier) that should be linked to the external ID is already assigned or exists as an external ID elsewhere.
  This situation causes a conflict because the system cannot reconcile the missing external ID with an internal ID that is already used as an external ID.
  
  In other words, the system finds an internal ID that is already registered as an external ID, but the current record lacks the required external ID, leading to ambiguity and data integrity issues.
  
  When does it occur?
  
  During vehicle master data creation or update.
  When importing or synchronizing vehicle data from external systems.
  When IDs are manually maintained or migrated incorrectly.
  When there is a mismatch or duplication in vehicle identification numbers.
  
  
  Solution:
  
  
  Check the Data Input:
  
  Ensure that the external ID (e.g., VIN - Vehicle Identification Number) is provided and correctly entered.
  Verify that the external ID is unique and not missing in the data being processed.
  
  
  
  Data Consistency Check:
  
  Use transaction codes or reports to check for duplicate or conflicting IDs.
  Identify if the internal ID is mistakenly used as an external ID elsewhere.
  
  
  
  Correct the IDs:
  
  If the internal ID is wrongly assigned as an external ID, correct the assignment.
  Assign the correct external ID to the vehicle master record.
  Remove or correct any duplicate or conflicting entries.
  
  
  
  Data Synchronization:
  
  If data is imported from external systems, ensure the mapping between internal and external IDs is consistent.
  Re-import or update the data after corrections.
  
  
  
  Consult SAP Notes:
  
  Check SAP Notes related to VHU01090 for any patches or known issues.
  Sometimes, SAP provides specific instructions or program corrections.
  
  
  
  
  Related Information:
  
  Module: Vehicle Management (VHU)
  Transaction Codes: VHU-related transactions such as VHU1 (Create Vehicle), VHU2 (Change Vehicle), or data import tools.
  SAP Notes: Search SAP Support Portal for notes referencing message VHU01090.
  Data Fields: Internal ID (SAP vehicle master ID), External ID (VIN or customer-specific vehicle number).
  Common Cause: Data migration errors, manual data entry mistakes, or integration issues with external systems.
  
  
  Summary:
  The error VHU01090 indicates a missing external ID while the internal ID is already used as an external ID, causing a conflict. The solution involves verifying and correcting the vehicle identification numbers to ensure that each vehicle record has a unique and correctly assigned external ID, and that internal IDs are not misused.
  
  If you provide more context (e.g., transaction used, data source), I can help with more specific troubleshooting steps.