How To Fix VV503 - Planning material & is locked (assignment check not possible)

VV503 - Overview

• Message type: E = Error

• Message class: VV - Requirements and availability

• Message number: 503

• Message text: Planning material & is locked (assignment check not possible)

What causes this issue?

The <GL:planning_material>planning material</> &V1& (plant &V2&)
belonging to material &V4& which you are processing is blocked by user
&V3&. The system has attempted several times without success to block
this material.

System Response

So as not to slow your work, the system stops its attempts at blocking
and does not carry out an assignment check.

How to fix this error?

Note that the transaction you are processing is not confirmed. You
should therefore carry out another assignment check
<DS:GLOS.availability_check>(availability check)</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VV503 - Planning material & is locked (assignment check not possible) ?

  The SAP error message "VV503 Planning material & is locked (assignment check not possible)" typically occurs in the context of material planning and indicates that the material you are trying to work with is currently locked for some reason. This can happen in various scenarios, such as during a planning run, when a user is editing the material, or when there are ongoing transactions that prevent changes.
  Causes:
  
  Material Locking: The material is locked by another user or process. This can happen if someone is currently editing the material or if a planning run is in progress.
  Transaction in Progress: There may be ongoing transactions that are preventing the material from being accessed for planning purposes.
  User Authorization: The user may not have the necessary authorizations to access or modify the material.
  System Configuration: There may be configuration settings in the system that are causing the material to be locked.
  
  Solutions:
  
  Check Lock Entries: Use transaction code