How to solve wrong number of arguments (1 for 2)?

Question

Ruby on Rails

I send a Post request to save the message with links. There are 3 models User, Conversation, Message. Writes inconsistency in the number of arguments when applying the scope - "between", to check for correspondence between the authors. New to rails, still learning...
https://drive.google.com/open?id=0B_JNINfzh0boNm1w...
https://drive.google.com/open?id=0B_JNINfzh0boYjVs...
https://drive .google.com/open?id=0B_JNINfzh0boV2k5...
https://drive.google.com/open?id=0B_JNINfzh0boNHJY...
https://drive.google.com/open?id=0B_JNINfzh0boSlB0...

Answer 1

"wrong number of arguments (1 for 2)" - incorrect number of arguments. You are passing 1 argument to the method instead of 2.
Solution:
- see which method causes an error when calling
- adds the required argument, or use another method