I am changing the days with hms, but it is giving me the error.

What do you mean by this? Show code.

error: Can't call method "hms" on an undefined value at timediff line 7.

I don't see a line 7 in your code. What are you calling "hms" on? Show code.

In reply to Re: Time:Piece help by runrig
in thread Time:Piece help by sauravrout

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