How To Fix UCMI018 - Doc.type &1: Change the fixing of document field "&2"

UCMI018 - Overview

• Message type: E = Error

• Message class: UCMI - Messages for Breakdown Category, Item, Document Type, ...

• Message number: 018

• Message text: Doc.type &1: Change the fixing of document field "&2"

What causes this issue?

In document type customizing on the <ZK>Document Field Options</> tab
page, you can choose the following options for "fixing" document fields:
Temporary, default: not fixed
Temporary, default: fixed
Permanent
The sequence of the fixing options shown above represent an ascending
order (less than/greater than relationship). The following applies to
document fields that are dependent on each other: In the hierarchy of
dependencies, the fixing at the next-higher level must be greater than
or equal to the fixing at the current level.
However, in document type &v1&, the fixing of document field '&v2&' is
less than the fixing of document field '&v3&'. This is not permitted
because '&v2&' is dependent on '&v3&'.

System Response

Processing is terminated.

How to fix this error?

Go to document type &v1& and change the fixing option for document field
'&v2&'.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCMI018 - Doc.type &1: Change the fixing of document field "&2" ?

  The SAP error message UCMI018 typically relates to issues with document types and the configuration of document fields in the SAP system. This error can occur in various contexts, such as when trying to change or process documents in the SAP system, particularly in the area of document management or document processing.
  
  Cause:
  The error message UCMI018 indicates that there is a problem with the configuration of a specific document type and its associated fields. The message usually points to a specific document type (indicated by &1) and a specific field (indicated by &2) that needs to be fixed or adjusted. Common causes for this error include:
  
  Incorrect Configuration: The document type may not be properly configured in the system, leading to inconsistencies in how fields are defined or used.
  Field Settings: The specific field mentioned may have settings that are incompatible with the document type or the operation being performed.
  Authorization Issues: There may