pgr
2
Hi, welcome to the Community! 
I moved your post - it’s better to start your own thread… please see more guidelines here:
I’d like to help by checking a few things about your installation -
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What is your OS? Is this your server or a shared hosting?
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In Admin / Schedulers, what do the instructions at the bottom say, exactly? Did you apply that?
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Do you have console access, like SSH?