The fullscreen button disapear

Hi,
The fullscreen button has disapear in all my pdf, I don´t know what happen, I didn´t change anything of my configuration.

On the configuration the fullscreen button is enabled.

this is the tag that I use:
[pdf_embed url=”https://tutemario.es/wp-content/uploads/2024/11/TEMARIO-PEON-ESPECIALISTA-AYUNTAMIENTO-DE-TALAVERA-DE-LA-REINA-1.pdf”%5D

I know that I can add the attribute fullscreen_btn_text=”Open Fullscreen”, I add it, but doesn´t work.

what´s happening?

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