Slider component giving 503 error

Yes fixed error was quote marks thanks guys
Yup site is under construction
as i am having some delays due to slider and styling
when i am adding pre build slider component its working fine on local site but when we build it on live site its start giving 503 error
This is the slider which i am using:

Hi @inshaal

Could this be the same problem you had here?

It might just be worth checking the code again for similar syntax errors.