how to set lookup field back to null?

[natasacerin]

if the user by mistake select the loopup value, how to change the value of the lookup field back to null?

loopup fild is not defined as required field.

Tnx
Nataša

[Dmitry Kozlov]

Hi,
What's your SharePoint edition: Online or On-premises? What's your Cross-site Lookup version? - you can find it in the Lookup Manager (lower-right corner).

[natasacerin]

Hi,
I use Sharepoint 2013 - On- premises. Cross-site Lookup 1.4.3 and Forms Designer 3.0.8
Look the picture how is look like. User can change the related item, but not delete it.

Tnx
Nataša

[Dmitry Kozlov]

Hi,
Please, upgrade Cross-site Lookup. You can download the latest version from our website:
http://spform.com/download

After finishing the wizard steps, re-activate Cross-site Lookup feature at the site collection level.