Graph is linked to external private object MaterialExpressionMaterialFunctionCall

Development Programming & Scripting
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1

Any idea how to fix this issue I am using UE 5.4.1 I can’t save the file. because of this.

Can't save ../../../../../../Users/ata/Documents/Unreal Projects/Motion_Design/Content/Main.umap: Graph is linked to external private object MaterialExpressionMaterialFunctionCall /DynamicMaterial/MaterialFunctions/Effects/UV/MF_DM_Effect_UV_Panner.MF_DM_Effect_UV_Panner:MaterialExpressionMaterialFunctionCall_1 (DependentFunctionExpressionCandidates)

2

Check if you have more than single copy of unreal editor running.

3

I check Task Manger and only one Unreal Engine running