'Contact me if there is any problem' vs 'Contact me if there are any problems'

[Emma]

Hi.
Contact me if there is any problem v.s. Contact me if there are any problems
Which one is correct?
Can I just say Contact me if any problems？

Thanks a lot.

[Jamie (K)]

You can say, "Contact me if there is a problem," "Contact me if there is any problem," "Contact me if there are any problems."

You can't say, "Contact me if any problems." That sentence is missing a lot of its parts.

[Emma]

Thanks a lot, Jamie. I got it.

[Morteza]

Hi Jamie,
Can we consider "Contact me if any problems." as a reduced adverb clause?
I mean it seems correct !
Many thanks,
Morteza

[Shyone]

"Contact me if any problems."

I'm sorry, but this sounds just wrong to me.

It's different when you say:

'Contact me if any problems occur.'
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[Jamie (K)]