SharePoint enable List (Form Web Parts)

By default SharePoint’s Form Web Parts are disabled.

List Form web Parts disabled
List Form Web Parts Disabled

 

How to resolve this issue?

Go to your SharePoint admin center

Click settings.

Scroll down to locate the section of Custom Script

Select Allow users to run custom script on self-service created sites

Custom Script
Custom Script

Click OK.
Note: It takes up to 24 hours for the change to take effect.

List Form Web Parts enabled
List Form Web Parts enabled

Turn scripting capabilities on and off