How to fix a drag preview error in tab container?

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E 0:00:08.217 disconnect: Attempt to disconnect a nonexistent connection to signal 'renamed' in [Label:4864], with target 'childrenamedcallback' in [TabContainer:1368].
<C++ Error> Condition "signalisvalid" is true.
<C++ Source> core/object.cpp:1569 @ _disconnect()

I started receiving this error when I placed my inventory scene into a tab container.
It seems removing the drag preview in my inventory stops the error. How can I fix this error?

Godot version 3.3.4
in Engine by (16 points)

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