Dear @ProdbyDaan,
Could you kindly disable any unnecessary third-party plugins? As this issue pertains to the server side, it is unfortunately beyond our scope of control.
Additionally, you may find the following articles helpful:
– https://wordpress.stackexchange.com/a/41812/22807
– https://stackoverflow.com/a/28453035/2660153
Please feel free to reach out if you have any further questions or require additional assistance.
Best regards,
The 8Theme Team