Tab Block can’t use

Hi, I love Qubely which is a great block editor plugin I ever used. But there is a problem about adding new blocks of the Tab Block. I can’t insert any blocks into tab content. The following list is the version of my Quebly and Guterenberg:

Qubely – Advanced Gutenberg Blocks Version 1.3.6
Gutenberg – Version 7.8.0

Thanks for help and looking forward your reply!

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