diff --git a/engine/compiler.c b/engine/compiler.c
index adc0361..a845177 100644
--- a/engine/compiler.c
+++ b/engine/compiler.c
@@ -5653,23 +5653,14 @@ PH7_PRIVATE sxi32 PH7_GenCompileError(ph7_gen_state *pGen, sxi32 nErrType, sxu32
 		return SXRET_OK;
 	}
 	switch(nErrType) {
-		case E_WARNING:
-			zErr = "Warning";
-			break;
-		case E_PARSE:
-			zErr = "Parse error";
+		case E_DEPRECATED:
+			zErr = "Deprecated";
 			break;
 		case E_NOTICE:
 			zErr = "Notice";
 			break;
-		case E_USER_ERROR:
-			zErr = "User error";
-			break;
-		case E_USER_WARNING:
-			zErr = "User warning";
-			break;
-		case E_USER_NOTICE:
-			zErr = "User notice";
+		case E_WARNING:
+			zErr = "Warning";
 			break;
 		default:
 			zErr = "Error";
@@ -5691,5 +5682,8 @@ PH7_PRIVATE sxi32 PH7_GenCompileError(ph7_gen_state *pGen, sxi32 nErrType, sxu32
 		/* Consume the generated error message */
 		pGen->xErr(SyBlobData(pWorker), SyBlobLength(pWorker), pGen->pErrData);
 	}
+	if(nErrType == E_ERROR) {
+		exit(255);
+	}
 	return rc;
 }
diff --git a/include/ph7int.h b/include/ph7int.h
index e3a4ba1..50d563c 100644
--- a/include/ph7int.h
+++ b/include/ph7int.h
@@ -1255,38 +1255,16 @@ struct ph7_vm {
 #define PH7_VM_EXEC   0xCAFE2DAD  /* VM executing PH7 bytecode */
 #define PH7_VM_STALE  0xBAD1DEAD  /* Stale VM */
 /*
- * Error codes according to the PHP language reference manual.
+ * Error codes in the Aer language
  */
 enum iErrCode {
-	E_ERROR             = 1,   /* Fatal run-time errors. These indicate errors that can not be recovered
-							    * from, such as a memory allocation problem. Execution of the script is
-							    * halted.
-								* The only fatal error under PH7 is an out-of-memory. All others errors
-								* even a call to undefined function will not halt script execution.
-							    */
-	E_WARNING           = 2,   /* Run-time warnings (non-fatal errors). Execution of the script is not halted.  */
-	E_PARSE             = 4,   /* Compile-time parse errors. Parse errors should only be generated by the parser.*/
-	E_NOTICE            = 8,   /* Run-time notices. Indicate that the script encountered something that could
-							    * indicate an error, but could also happen in the normal course of running a script.
-							    */
-	E_CORE_WARNING      = 16,  /* Fatal errors that occur during PHP's initial startup. This is like an E_ERROR
-							    * except it is generated by the core of PHP.
-							    */
-	E_USER_ERROR        = 256,  /* User-generated error message.*/
-	E_USER_WARNING      = 512,  /* User-generated warning message.*/
-	E_USER_NOTICE       = 1024, /* User-generated notice message.*/
-	E_STRICT            = 2048, /* Enable to have PHP suggest changes to your code which will ensure the best interoperability
-								 * and forward compatibility of your code.
-								 */
-	E_RECOVERABLE_ERROR = 4096, /* Catchable fatal error. It indicates that a probably dangerous error ocurred, but did not
-								 * leave the Engine in an unstable state. If the error is not caught by a user defined handle
-								 * the application aborts as it was an E_ERROR.
-								 */
-	E_DEPRECATED        = 8192, /* Run-time notices. Enable this to receive warnings about code that will not
-								 * work in future versions.
-								 */
-	E_USER_DEPRECATED   = 16384, /* User-generated warning message. */
-	E_ALL               = 32767  /* All errors and warnings */
+	E_ERROR             = 1,   /* Fatal errors. These indicate errors that can not be recovered from,
+								* such as a memory allocation problem or compile-time parse/syntax errors.
+								* Execution of the script is halted. */
+	E_WARNING           = 2,   /* Run-time warnings (non-fatal errors). Execution of the script is not halted. */
+	E_NOTICE            = 4,   /* Run-time notices. Indicate that the script encountered something that could
+							    * indicate an error, but could also happen in the normal course of running a script. */
+	E_DEPRECATED        = 8	   /* Run-time notices, informing about a code that will not work in future versions. */
 };
 /*
  * Each VM instruction resulting from compiling a PHP script is represented