Fresh new install, error right out of the box

[Grammy]

2.1.2 Default, just a fresh install for a client's new website.  I just installed it, logged in as admin, clicked Admin and found this, right away, in the log:

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Zend OPcache API is restricted by "restrict_api" configuration directive
And it refers to line 1937, Sources/Subs-Admin.php:

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opcache_invalidate($file, true);

Is this some sort of server setting that I need to address with the host?   

[Arantor]

Ask the host to disable restrict_api. SMF has occasions it has to invalidate the opcache and it knows when it should do this, and needs to be allowed to do so.

[Grammy]

Ask the host to disable restrict_api. SMF has occasions it has to invalidate the opcache and it knows when it should do this, and needs to be allowed to do so.

I will.  Thanks so much!