the header builder not work

I changed the logo in header builder and I click save header but not working always (Loading, please wait…)
Please I need a solution

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Hello,

Thank you very much for choosing our theme and for contacting us.

Please deactivate all the plugins not related to the theme and switch the parent theme, check the issue, if the problem remains, leave the plugins not activated and provide the site admin access to the private area

Best Regards

[Author]

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