error on the screen

payblogg

hello
i purchase a version of contact form submitter
but i got an error when i am using it
it just keeps loading and saya
pleas wait..
loadings keywords-setting...
that takes long time
see this screenshot from my pc
https://drive.google.com/file/d/1oFxwlHexxAx-D8jMIr7n_BLc19aGxSd5/view?usp=sharing
pleas help me to fix this issue
thanks
my windows 10 64bit

Sven

You probably have added too many keywords here. How many are that?