Problems with contact form thema Sunnybeach

Problems with contact form thema Sunnybeach
The problem is, that should be repeated several times to work the message
Open new screen response costs
What code I need to repair? to work, and what for response costs is the same page?.
my page is www.lanzarotegreen.com

Hi!
Please, try to disable your plugins one by one to detect the problem or turn off "Load Content Dynamically" on page Theme Settings --> Layout.