diff --git a/src/built-ins.go b/src/built-ins.go
index 2f08917..6016c14 100644
--- a/src/built-ins.go
+++ b/src/built-ins.go
@@ -20,13 +20,15 @@ func makeGlobal(allowDocument bool) ArObject {
 			if x.TYPE == "array" {
 				newmap := anymap{}
 				for i, v := range x.obj["__value__"].([]any) {
+					v := ArValidToAny(v)
 					switch y := v.(type) {
 					case []any:
 						if len(y) == 2 {
 							if isUnhashable(y[0]) {
 								return nil, ArErr{TYPE: "TypeError", message: "Cannot use unhashable value as key: " + typeof(y[0]), EXISTS: true}
 							}
-							newmap[y[0]] = y[1]
+							key := ArValidToAny(y[0])
+							newmap[key] = y[1]
 							continue
 						}
 					}
@@ -165,5 +167,22 @@ func makeGlobal(allowDocument bool) ArObject {
 		return ArArray([]any{}), ArErr{}
 	}}
 	vars.obj["subprocess"] = builtinFunc{"subprocess", ArSubprocess}
+	vars.obj["class"] = builtinFunc{"class", func(a ...any) (any, ArErr) {
+		if len(a) == 0 {
+			return nil, ArErr{TYPE: "TypeError", message: "Cannot create class from '" + typeof(a[0]) + "'", EXISTS: true}
+		}
+		switch x := a[0].(type) {
+		case ArObject:
+			if x.TYPE == "class" {
+				return x, ArErr{}
+			}
+			newclass := ArObject{TYPE: "class", obj: anymap{}}
+			for key, val := range x.obj {
+				newclass.obj[key] = val
+			}
+			return newclass, ArErr{}
+		}
+		return nil, ArErr{TYPE: "TypeError", message: "Cannot create class from '" + typeof(a[0]) + "'", EXISTS: true}
+	}}
 	return vars
 }
diff --git a/src/getIndex.go b/src/getIndex.go
index 6cd912b..6d82ded 100644
--- a/src/getIndex.go
+++ b/src/getIndex.go
@@ -152,7 +152,7 @@ func indexGetParse(code UNPARSEcode, index int, codelines []UNPARSEcode) (ArMapG
 		return ArMapGet{tival, args, true, code.line, code.realcode, code.path}, true, ArErr{}, 1
 	}
 	return ArMapGet{}, false, ArErr{
-		"SyntaxError",
+		"Syntax Error",
 		"invalid index get",
 		code.line,
 		code.path,
diff --git a/src/run.go b/src/run.go
index 0d509a2..e49a2d7 100644
--- a/src/run.go
+++ b/src/run.go
@@ -189,15 +189,11 @@ func runVal(line any, stack stack, stacklevel int) (any, ArErr) {
 			break
 		}
 		return runImport(x, stack, stacklevel+1)
-	case ABS:
-		if stackoverflow {
-			linenum = x.line
-			path = x.path
-			code = x.code
-			break
-		}
-		return runAbs(x, stack, stacklevel+1)
-	case bool, ArObject, number, nil:
+	case bool:
+		return x, ArErr{}
+	case nil:
+		return x, ArErr{}
+	case ArObject:
 		return x, ArErr{}
 	}
 	if stackoverflow {
diff --git a/src/subprocess.go b/src/subprocess.go
index c8573ff..ad1215a 100644
--- a/src/subprocess.go
+++ b/src/subprocess.go
@@ -14,13 +14,14 @@ func ArSubprocess(args ...any) (any, ArErr) {
 			EXISTS:  true,
 		}
 	} else if typeof(args[0]) != "array" {
-		fmt.Println(args[0])
 		return nil, ArErr{
 			TYPE:    "TypeError",
 			message: fmt.Sprintf("subprocess() argument must be an array, not %s", typeof(args[0])),
 			EXISTS:  true,
 		}
-	} else if len(args[0].([]any)) == 0 {
+	}
+	args[0] = ArValidToAny(args[0])
+	if len(args[0].([]any)) == 0 {
 		return nil, ArErr{
 			TYPE:    "RuntimeError",
 			message: "subprocess() argument must be an array of strings, not an empty array",
diff --git a/src/translate.go b/src/translate.go
index 76864c4..b7aa27d 100644
--- a/src/translate.go
+++ b/src/translate.go
@@ -42,6 +42,8 @@ func translateVal(code UNPARSEcode, index int, codelines []UNPARSEcode, isLine i
 			return parseForLoop(code, index, codelines)
 		} else if isGenericImport(code) {
 			return parseGenericImport(code, index, codelines)
+		} else if isTryCatch(code) {
+			return parseTryCatch(code, index, codelines)
 		}
 	}
 	if isLine >= 1 {
@@ -77,12 +79,6 @@ func translateVal(code UNPARSEcode, index int, codelines []UNPARSEcode, isLine i
 			return resp, worked, err, i
 		}
 	}
-	if isAutoAsignVariable(code) {
-		resp, worked, err, i = parseAutoAsignVariable(code, index, codelines, isLine)
-		if worked {
-			return resp, worked, err, i
-		}
-	}
 	if isNumber(code) {
 		return parseNumber(code)
 	} else if isString(code) {
@@ -101,6 +97,12 @@ func translateVal(code UNPARSEcode, index int, codelines []UNPARSEcode, isLine i
 			return resp, worked, err, i
 		}
 	}
+	if isAutoAsignVariable(code) {
+		resp, worked, err, i = parseAutoAsignVariable(code, index, codelines, isLine)
+		if worked {
+			return resp, worked, err, i
+		}
+	}
 	{
 		operation, worked, err, step := parseOperations(code, index, codelines)
 		if worked {
diff --git a/src/trycatch.go b/src/trycatch.go
new file mode 100644
index 0000000..0866139
--- /dev/null
+++ b/src/trycatch.go
@@ -0,0 +1,73 @@
+package main
+
+import (
+	"strings"
+)
+
+var tryCompiled = makeRegex(`\s*try\s(.|\n)+`)
+var catchCompiled = makeRegex(`\s*catch\s*\(\s*` + spacelessVariable + `\s*\)\s*(.|\n)+`)
+
+type TryCatch struct {
+	Try       any
+	Catch     any
+	errorName string
+	line      int
+	path      string
+	code      string
+}
+
+func isTryCatch(code UNPARSEcode) bool {
+	return tryCompiled.MatchString(code.code)
+}
+
+func parseTryCatch(code UNPARSEcode, index int, codelines []UNPARSEcode) (TryCatch, bool, ArErr, int) {
+	trytrimmed := strings.TrimSpace(code.code)
+	totalIndex := 0
+	tryparsed, worked, err, i := translateVal(UNPARSEcode{trytrimmed[4:], code.realcode, code.line, code.path}, index, codelines, 1)
+	if !worked {
+		return TryCatch{}, false, err, i
+	}
+	totalIndex += i
+	catchtrimmed := strings.TrimSpace(codelines[index+totalIndex].code)
+	if !catchCompiled.MatchString(catchtrimmed) {
+		return TryCatch{}, false, ArErr{"Syntax Error", "invalid syntax", code.line, code.path, code.realcode, true}, i
+	}
+	catchtrimmed = catchtrimmed[6:]
+	catchbracketSplit := strings.SplitN(catchtrimmed, ")", 2)
+	errorName := strings.TrimSpace(strings.TrimSpace(catchbracketSplit[0])[1:])
+	errcode := catchbracketSplit[1]
+
+	catchparsed, worked, err, i := translateVal(UNPARSEcode{errcode, code.realcode, code.line, code.path}, index+totalIndex, codelines, 1)
+	if !worked {
+		return TryCatch{}, false, err, i
+	}
+	totalIndex += i
+
+	return TryCatch{
+		tryparsed,
+		catchparsed,
+		errorName,
+		code.line,
+		code.path,
+		code.realcode,
+	}, true, ArErr{}, totalIndex
+}
+
+func runTryCatch(t TryCatch, stack stack, stacklevel int) (any, ArErr) {
+	val, err := runVal(t.Try, stack, stacklevel)
+	if err.EXISTS {
+		scope := newscope()
+		scope.obj[t.errorName] = Map(anymap{
+			"type":    err.TYPE,
+			"message": err.message,
+			"line":    newNumber().SetInt64(int64(err.line)),
+			"path":    err.path,
+			"code":    err.code,
+		})
+		val, err = runVal(t.Catch, append(stack, scope), stacklevel)
+		if err.EXISTS {
+			return nil, err
+		}
+	}
+	return val, ArErr{}
+}
diff --git a/src/variable.go b/src/variable.go
index b689e18..37b8bfd 100644
--- a/src/variable.go
+++ b/src/variable.go
@@ -35,6 +35,8 @@ var blockedVariableNames = map[string]bool{
 	"not":      true,
 	"and":      true,
 	"or":       true,
+	"try":      true,
+	"catch":    true,
 }
 
 type accessVariable struct {
@@ -85,7 +87,7 @@ func readVariable(v accessVariable, stack stack) (any, ArErr) {
 			return val, ArErr{}
 		}
 	}
-	return nil, ArErr{"Runtime Error", "variable \"" + v.name + "\" does not exist", v.line, v.path, v.code, true}
+	return nil, ArErr{"Name Error", "variable \"" + v.name + "\" does not exist", v.line, v.path, v.code, true}
 }
 
 func isSetVariable(code UNPARSEcode) bool {
@@ -212,7 +214,7 @@ func setVariableValue(v setVariable, stack stack, stacklevel int) (any, ArErr) {
 		_, ok := stack[len(stack)-1].obj[v.toset.(accessVariable).name]
 		varMutex.RUnlock()
 		if ok {
-			return nil, ArErr{"Runtime Error", "variable \"" + v.toset.(accessVariable).name + "\" already exists", v.line, v.path, v.code, true}
+			return nil, ArErr{"Name Error", "variable \"" + v.toset.(accessVariable).name + "\" already exists", v.line, v.path, v.code, true}
 		}
 		varMutex.Lock()
 		stack[len(stack)-1].obj[v.toset.(accessVariable).name] = resp
@@ -307,7 +309,7 @@ func runDelete(d ArDelete, stack stack, stacklevel int) (any, ArErr) {
 				return nil, ArErr{}
 			}
 		}
-		return nil, ArErr{"Runtime Error", "variable \"" + x.name + "\" does not exist", d.line, d.path, d.code, true}
+		return nil, ArErr{"Name Error", "variable \"" + x.name + "\" does not exist", d.line, d.path, d.code, true}
 	case ArMapGet:
 		respp, err := runVal(x.VAL, stack, stacklevel+1)
 		if err.EXISTS {