How To Fix AC194 - Number range &1 in co.code &2 for doc.type &3 must be defined as external

AC194 - Overview

• Message type: E = Error

• Message class: AC - Error messages from Asset Customizing

• Message number: 194

• Message text: Number range &1 in co.code &2 for doc.type &3 must be defined as external

What causes this issue?

The number range for the document type for posting depreciation is not
defined as external.
For this transaction, only external number assignment is possible.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Either correct the document type or change the definition of the number
range.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AC194 - Number range &1 in co.code &2 for doc.type &3 must be defined as external ?

  The SAP error message AC194 indicates that there is an issue with the number range configuration for asset accounting in a specific company code and document type. This error typically arises when the system expects the number range to be defined as "external," but it is not set up that way.
  
  Cause:
  
  Number Range Configuration: The number range for asset documents in the specified company code and document type is not defined as external. In SAP, external number ranges allow users to manually enter document numbers, while internal number ranges are automatically generated by the system.
  Document Type Settings: The document type associated with the asset transaction may not be configured correctly to use an external number range.
  Missing Configuration: The necessary configuration for the number range may not have been completed in the system.
  
  
  Solution:
  To resolve the AC194 error, follow these steps:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code OAVN (for number range intervals