类未找到异常“java.lang”。ClassNotFoundException”安卓

I have searched this topic fairly well and have been unable to find a good solution. Here is my manifest and the error code from Google developer console. I get about 3-4 "reported" crashes per week out of 400-500 downloads. I'm fairly new to Android development and hope that one of you guys can point out my error! Maybe it's the fact that my "main class" and my package name are the same but it seems odd that it's a random crash. Thanks in advance!! I have searched this topic fairly well and have