I found the following sentence used in emails at my workplace:
If any problem, please call me at XXX-XXXXXXX.
Is the sentence grammatically correct? Or should the senders have used the following instead:
If there is any problem, please call me at XXX-XXXXXXX.
Best Answer
This omission of syntax in informal speech (and especially emails) is quite common and I would hesitate to call it ungrammatical. It is an example of ellipsis:
The point is, you did understand from the context of the sentence what the sender intended. Certainly you would not want to write that way in formal prose, but the criteria I would use to judge the usage here would be
If you can answer yes to the first and no to the second, then you don't have to worry about using ellipsis in the communication.