diff --git a/generator/gen-utils.h b/generator/gen-utils.h
index 4a966db..5dc9a56 100644
--- a/generator/gen-utils.h
+++ b/generator/gen-utils.h
@@ -4,8 +4,11 @@
 #include <stdlib.h>
 #include "../edk/BaseTypes.h"
 
+#define CPER_ERROR_TYPES_KEYS (int []){1, 16, 4, 5, 6, 7, 8, 9, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26}
+
 size_t generate_random_section(void** location, size_t size);
 UINT8* generate_random_bytes(size_t size);
 void init_random();
+void create_valid_error_section(UINT8* start);
 
 #endif
\ No newline at end of file