How To Fix FMKU084 - You cannot create an additional line with &1 initial 0 or BLANK

FMKU084 - Overview

• Message type: E = Error

• Message class: FMKU - FM budgeting, kernel utilities

• Message number: 084

• Message text: You cannot create an additional line with &1 initial 0 or BLANK

What causes this issue?

When adding additional lines, the system finds that target field &V1&
has a value of BLANK or "zero". This is not permitted.

System Response

The error is displayed in the application log.

How to fix this error?

Please change your derivation strategy for the target field &V1& in the
Customizing activity <DS:SIMG._ISPSFM_N_FMCUDERIVA>Define Derivation
Strategy for Additional Budget Line Items</>.

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 FMKU084 - You cannot create an additional line with &1 initial 0 or BLANK ?

  The SAP error message FMKU084, which states "You cannot create an additional line with &1 initial 0 or BLANK," typically occurs in the context of financial document processing, particularly when dealing with account assignments in SAP's Funds Management (FM) module. This error indicates that the system is preventing the creation of a new line item in a document because the specified field (often a cost center, internal order, or similar) is either blank or starts with an initial zero, which is not allowed based on the configuration or business rules.
  
  Cause:
  
  Invalid Input: The line item you are trying to create has a field (like a cost center or internal order) that is either blank or starts with a zero. This is often a validation rule in the system to ensure that valid account assignments are used.
  Configuration Settings: The system may be configured to disallow certain formats for account assignments, such as