error plugin gmap custom field

DateInterval::__construct(): Unknown or bad format (P)

Hello Simone,
Can you precise what view? What page. Not sure if this error is related to this plugin.

GMAP Custom Field

fields / gmap
This plugin allows you to create User friendly Custom Google Maps fields for Articles, Joomla Users, Joomla Contacts and other Field supporting extensions. Set one or more fields per item, each having latitude, longitude, radius, radius color,...

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Nordmograph Order Number

QPGS024081
0 - DateInterval::__construct(): Unknown or bad format (P)
You may not be able to visit this page because of:

an out-of-date bookmark/favourite
a search engine that has an out-of-date listing for this site
a mistyped address
you have no access to this page
The requested resource was not found.
An error has occurred while processing your request.
Please try one of the following pages:

Home Page
If difficulties persist, please contact the System Administrator of this site and report the error below.

DateInterval::__construct(): Unknown or bad format (P)

Sorry for the misunderstanding, you got me wrong:
What page on your site is getting that error?
Front end? Backend ? What URL?
Screenshot required.
Also, check your error logs.
Finally this plugin has not much to do with time and date, so I doubt it's responsible for this error, but let's find out.