diff --git a/Cargo.lock b/Cargo.lock
index 9503659..856c88f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -99,7 +99,7 @@ checksum = "d3fd119d74b830634cea2a0f58bbd0d54540518a14397557951e79340abc28c0"
 
 [[package]]
 name = "granite"
-version = "1.0.1"
+version = "1.0.2"
 dependencies = [
  "clap",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 9a59bdf..9aeb7e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "granite"
-version = "1.0.1"
+version = "1.0.2"
 edition = "2021"
 
 [dependencies]
diff --git a/src/main.rs b/src/main.rs
index 6fcd551..6bf7281 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -278,8 +278,7 @@ fn execute(program: Program) {
                     vars.insert(statement.arguments[1].clone(), "0".to_string());
                 }
             } else {
-                println!("Missing variable on int check.");
-                exit(1);
+                vars.insert(statement.arguments[1].clone(), "-1".to_string());
             }
         } else if statement.operator == "%" {
             if vars.contains_key(&statement.arguments[0]) {
@@ -321,7 +320,7 @@ fn parse(data: &str) -> Result<Program, String> {
         } else if program_begun {
             if operator.is_none() {
                 let potential_argument_length = operator_to_arglength(char.clone());
-                if potential_argument_length.is_none() { return Err(format!("Invalid operator {}.", char)); }
+                if potential_argument_length.is_none() { return Err(format!("Invalid operator {} at statement {}.", char, statements.len())); }
                 expected_arguments = potential_argument_length.unwrap();
                 operator = Some(char.to_string());
             } else if expected_arguments > 0 {
@@ -340,15 +339,15 @@ fn parse(data: &str) -> Result<Program, String> {
                     expected_arguments = expected_arguments - 1;
                     arguments.push(argument_builder);
                     argument_builder = "".to_string();
-                } else if char == ':' {
+                } else if char == ':' && !inside_string {
                     expected_arguments = expected_arguments - 1;
                     arguments.push(argument_builder);                   
                     argument_builder = "".to_string();
                     if expected_arguments != 0 {
-                        return Err(format!("Invalid amount of arguments for operator {}.", operator.unwrap()));
+                        return Err(format!("Invalid amount of arguments for operator {} at {}.", operator.unwrap(), statements.len()));
                     }
                 } else if char == '"' {
-                    if argument_builder.len() != 0 { return Err("Cannot start string where argument already exists.".to_string()); }
+                    if argument_builder.len() != 0 { return Err(format!("Cannot start string where argument already exists at {}.", statements.len())); }
                     inside_string = true;
                 } else if char == '\n' && !inside_string {
                     continue;
@@ -356,7 +355,7 @@ fn parse(data: &str) -> Result<Program, String> {
                     argument_builder = format!("{}{}", argument_builder, char);
                 }
             } 
-            if operator.is_some() && char == ':' {
+            if operator.is_some() && char == ':' && !inside_string {
                 let new_statement = Statement { operator: operator.clone().unwrap(), arguments: arguments.clone() };
                 statements.push(new_statement);
                 if operator.clone().unwrap() == "@" {
@@ -375,7 +374,7 @@ fn parse(data: &str) -> Result<Program, String> {
     }
 
     if expected_arguments != 0 {
-        return Err(format!("Invalid amount of arguments for operator {}.", operator.unwrap()));
+        return Err(format!("Invalid amount of arguments for operator {} at {}.", operator.unwrap(), statements.len()));
     }
     let new_statement = Statement { operator: operator.unwrap().clone(), arguments: arguments.clone() };
     statements.push(new_statement);