How to fix "this project contains expression errors" in After Effects

updating the results. thanks for the advice it hleped me a bit so now i have solved the 50 % of the problem.  the last problem i ve encontered is that shake sauce ( the plug in im using it) with some effects that modify more the sequence it gives me the error but i cannot modify to resolve the problem i think is more to search the right options but if someone knows more i really appreciate . sorry for the disturb 

thanks

This article should help: https://helpx.adobe.com/after-effects/using/troubleshooting-expressions.html

Let us know how it goes.

Thanks,

Nishu

Click on the orange bar and expand it to find out what the actual error is.

Mylenium